package org.hl7.fhir.r4.model;

/*
  Copyright (c) 2011+, HL7, Inc.
  All rights reserved.
  
  Redistribution and use in source and binary forms, with or without modification, 
  are permitted provided that the following conditions are met:
  
   * Redistributions of source code must retain the above copyright notice, this 
     list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright notice, 
     this list of conditions and the following disclaimer in the documentation 
     and/or other materials provided with the distribution.
   * Neither the name of HL7 nor the names of its contributors may be used to 
     endorse or promote products derived from this software without specific 
     prior written permission.
  
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  POSSIBILITY OF SUCH DAMAGE.
  
*/

// Generated on Tue, May 12, 2020 07:26+1000 for FHIR v4.0.1
import java.util.ArrayList;
import java.util.List;

import org.hl7.fhir.exceptions.FHIRException;
import org.hl7.fhir.instance.model.api.IBaseDatatypeElement;
import org.hl7.fhir.instance.model.api.ICompositeType;
import org.hl7.fhir.r4.model.Enumerations.BindingStrength;
import org.hl7.fhir.r4.model.Enumerations.BindingStrengthEnumFactory;
import org.hl7.fhir.r4.utils.ToolingExtensions;
// added from java-adornments.txt:
import org.hl7.fhir.utilities.CommaSeparatedStringBuilder;
import org.hl7.fhir.utilities.Utilities;

import ca.uhn.fhir.model.api.annotation.Block;
import ca.uhn.fhir.model.api.annotation.Child;
import ca.uhn.fhir.model.api.annotation.DatatypeDef;
import ca.uhn.fhir.model.api.annotation.Description;

// end addition
/**
 * Captures constraints on each element within the resource, profile, or
 * extension.
 */
@DatatypeDef(name = "ElementDefinition")
public class ElementDefinition extends BackboneType implements ICompositeType {

  public enum PropertyRepresentation {
    /**
     * In XML, this property is represented as an attribute not an element.
     */
    XMLATTR,
    /**
     * This element is represented using the XML text attribute (primitives only).
     */
    XMLTEXT,
    /**
     * The type of this element is indicated using xsi:type.
     */
    TYPEATTR,
    /**
     * Use CDA narrative instead of XHTML.
     */
    CDATEXT,
    /**
     * The property is represented using XHTML.
     */
    XHTML,
    /**
     * added to help the parsers with the generic types
     */
    NULL;

    public static PropertyRepresentation fromCode(String codeString) throws FHIRException {
      if (codeString == null || "".equals(codeString))
        return null;
      if ("xmlAttr".equals(codeString))
        return XMLATTR;
      if ("xmlText".equals(codeString))
        return XMLTEXT;
      if ("typeAttr".equals(codeString))
        return TYPEATTR;
      if ("cdaText".equals(codeString))
        return CDATEXT;
      if ("xhtml".equals(codeString))
        return XHTML;
      if (Configuration.isAcceptInvalidEnums())
        return null;
      else
        throw new FHIRException("Unknown PropertyRepresentation code '" + codeString + "'");
    }

    public String toCode() {
      switch (this) {
      case XMLATTR:
        return "xmlAttr";
      case XMLTEXT:
        return "xmlText";
      case TYPEATTR:
        return "typeAttr";
      case CDATEXT:
        return "cdaText";
      case XHTML:
        return "xhtml";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getSystem() {
      switch (this) {
      case XMLATTR:
        return "http://hl7.org/fhir/property-representation";
      case XMLTEXT:
        return "http://hl7.org/fhir/property-representation";
      case TYPEATTR:
        return "http://hl7.org/fhir/property-representation";
      case CDATEXT:
        return "http://hl7.org/fhir/property-representation";
      case XHTML:
        return "http://hl7.org/fhir/property-representation";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDefinition() {
      switch (this) {
      case XMLATTR:
        return "In XML, this property is represented as an attribute not an element.";
      case XMLTEXT:
        return "This element is represented using the XML text attribute (primitives only).";
      case TYPEATTR:
        return "The type of this element is indicated using xsi:type.";
      case CDATEXT:
        return "Use CDA narrative instead of XHTML.";
      case XHTML:
        return "The property is represented using XHTML.";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDisplay() {
      switch (this) {
      case XMLATTR:
        return "XML Attribute";
      case XMLTEXT:
        return "XML Text";
      case TYPEATTR:
        return "Type Attribute";
      case CDATEXT:
        return "CDA Text Format";
      case XHTML:
        return "XHTML";
      case NULL:
        return null;
      default:
        return "?";
      }
    }
  }

  public static class PropertyRepresentationEnumFactory implements EnumFactory<PropertyRepresentation> {
    public PropertyRepresentation fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
        if (codeString == null || "".equals(codeString))
          return null;
      if ("xmlAttr".equals(codeString))
        return PropertyRepresentation.XMLATTR;
      if ("xmlText".equals(codeString))
        return PropertyRepresentation.XMLTEXT;
      if ("typeAttr".equals(codeString))
        return PropertyRepresentation.TYPEATTR;
      if ("cdaText".equals(codeString))
        return PropertyRepresentation.CDATEXT;
      if ("xhtml".equals(codeString))
        return PropertyRepresentation.XHTML;
      throw new IllegalArgumentException("Unknown PropertyRepresentation code '" + codeString + "'");
    }

    public Enumeration<PropertyRepresentation> fromType(PrimitiveType<?> code) throws FHIRException {
      if (code == null)
        return null;
      if (code.isEmpty())
        return new Enumeration<PropertyRepresentation>(this, PropertyRepresentation.NULL, code);
      String codeString = code.asStringValue();
      if (codeString == null || "".equals(codeString))
        return new Enumeration<PropertyRepresentation>(this, PropertyRepresentation.NULL, code);
      if ("xmlAttr".equals(codeString))
        return new Enumeration<PropertyRepresentation>(this, PropertyRepresentation.XMLATTR, code);
      if ("xmlText".equals(codeString))
        return new Enumeration<PropertyRepresentation>(this, PropertyRepresentation.XMLTEXT, code);
      if ("typeAttr".equals(codeString))
        return new Enumeration<PropertyRepresentation>(this, PropertyRepresentation.TYPEATTR, code);
      if ("cdaText".equals(codeString))
        return new Enumeration<PropertyRepresentation>(this, PropertyRepresentation.CDATEXT, code);
      if ("xhtml".equals(codeString))
        return new Enumeration<PropertyRepresentation>(this, PropertyRepresentation.XHTML, code);
      throw new FHIRException("Unknown PropertyRepresentation code '" + codeString + "'");
    }

    public String toCode(PropertyRepresentation code) {
       if (code == PropertyRepresentation.NULL)
           return null;
       if (code == PropertyRepresentation.XMLATTR)
        return "xmlAttr";
      if (code == PropertyRepresentation.XMLTEXT)
        return "xmlText";
      if (code == PropertyRepresentation.TYPEATTR)
        return "typeAttr";
      if (code == PropertyRepresentation.CDATEXT)
        return "cdaText";
      if (code == PropertyRepresentation.XHTML)
        return "xhtml";
      return "?";
   }

    public String toSystem(PropertyRepresentation code) {
      return code.getSystem();
    }
  }

  public enum DiscriminatorType {
    /**
     * The slices have different values in the nominated element.
     */
    VALUE,
    /**
     * The slices are differentiated by the presence or absence of the nominated
     * element.
     */
    EXISTS,
    /**
     * The slices have different values in the nominated element, as determined by
     * testing them against the applicable ElementDefinition.pattern[x].
     */
    PATTERN,
    /**
     * The slices are differentiated by type of the nominated element.
     */
    TYPE,
    /**
     * The slices are differentiated by conformance of the nominated element to a
     * specified profile. Note that if the path specifies .resolve() then the
     * profile is the target profile on the reference. In this case, validation by
     * the possible profiles is required to differentiate the slices.
     */
    PROFILE,
    /**
     * added to help the parsers with the generic types
     */
    NULL;

    public static DiscriminatorType fromCode(String codeString) throws FHIRException {
      if (codeString == null || "".equals(codeString))
        return null;
      if ("value".equals(codeString))
        return VALUE;
      if ("exists".equals(codeString))
        return EXISTS;
      if ("pattern".equals(codeString))
        return PATTERN;
      if ("type".equals(codeString))
        return TYPE;
      if ("profile".equals(codeString))
        return PROFILE;
      if (Configuration.isAcceptInvalidEnums())
        return null;
      else
        throw new FHIRException("Unknown DiscriminatorType code '" + codeString + "'");
    }

    public String toCode() {
      switch (this) {
      case VALUE:
        return "value";
      case EXISTS:
        return "exists";
      case PATTERN:
        return "pattern";
      case TYPE:
        return "type";
      case PROFILE:
        return "profile";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getSystem() {
      switch (this) {
      case VALUE:
        return "http://hl7.org/fhir/discriminator-type";
      case EXISTS:
        return "http://hl7.org/fhir/discriminator-type";
      case PATTERN:
        return "http://hl7.org/fhir/discriminator-type";
      case TYPE:
        return "http://hl7.org/fhir/discriminator-type";
      case PROFILE:
        return "http://hl7.org/fhir/discriminator-type";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDefinition() {
      switch (this) {
      case VALUE:
        return "The slices have different values in the nominated element.";
      case EXISTS:
        return "The slices are differentiated by the presence or absence of the nominated element.";
      case PATTERN:
        return "The slices have different values in the nominated element, as determined by testing them against the applicable ElementDefinition.pattern[x].";
      case TYPE:
        return "The slices are differentiated by type of the nominated element.";
      case PROFILE:
        return "The slices are differentiated by conformance of the nominated element to a specified profile. Note that if the path specifies .resolve() then the profile is the target profile on the reference. In this case, validation by the possible profiles is required to differentiate the slices.";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDisplay() {
      switch (this) {
      case VALUE:
        return "Value";
      case EXISTS:
        return "Exists";
      case PATTERN:
        return "Pattern";
      case TYPE:
        return "Type";
      case PROFILE:
        return "Profile";
      case NULL:
        return null;
      default:
        return "?";
      }
    }
  }

  public static class DiscriminatorTypeEnumFactory implements EnumFactory<DiscriminatorType> {
    public DiscriminatorType fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
        if (codeString == null || "".equals(codeString))
          return null;
      if ("value".equals(codeString))
        return DiscriminatorType.VALUE;
      if ("exists".equals(codeString))
        return DiscriminatorType.EXISTS;
      if ("pattern".equals(codeString))
        return DiscriminatorType.PATTERN;
      if ("type".equals(codeString))
        return DiscriminatorType.TYPE;
      if ("profile".equals(codeString))
        return DiscriminatorType.PROFILE;
      throw new IllegalArgumentException("Unknown DiscriminatorType code '" + codeString + "'");
    }

    public Enumeration<DiscriminatorType> fromType(PrimitiveType<?> code) throws FHIRException {
      if (code == null)
        return null;
      if (code.isEmpty())
        return new Enumeration<DiscriminatorType>(this, DiscriminatorType.NULL, code);
      String codeString = code.asStringValue();
      if (codeString == null || "".equals(codeString))
        return new Enumeration<DiscriminatorType>(this, DiscriminatorType.NULL, code);
      if ("value".equals(codeString))
        return new Enumeration<DiscriminatorType>(this, DiscriminatorType.VALUE, code);
      if ("exists".equals(codeString))
        return new Enumeration<DiscriminatorType>(this, DiscriminatorType.EXISTS, code);
      if ("pattern".equals(codeString))
        return new Enumeration<DiscriminatorType>(this, DiscriminatorType.PATTERN, code);
      if ("type".equals(codeString))
        return new Enumeration<DiscriminatorType>(this, DiscriminatorType.TYPE, code);
      if ("profile".equals(codeString))
        return new Enumeration<DiscriminatorType>(this, DiscriminatorType.PROFILE, code);
      throw new FHIRException("Unknown DiscriminatorType code '" + codeString + "'");
    }

    public String toCode(DiscriminatorType code) {
       if (code == DiscriminatorType.NULL)
           return null;
       if (code == DiscriminatorType.VALUE)
        return "value";
      if (code == DiscriminatorType.EXISTS)
        return "exists";
      if (code == DiscriminatorType.PATTERN)
        return "pattern";
      if (code == DiscriminatorType.TYPE)
        return "type";
      if (code == DiscriminatorType.PROFILE)
        return "profile";
      return "?";
   }

    public String toSystem(DiscriminatorType code) {
      return code.getSystem();
    }
  }

  public enum SlicingRules {
    /**
     * No additional content is allowed other than that described by the slices in
     * this profile.
     */
    CLOSED,
    /**
     * Additional content is allowed anywhere in the list.
     */
    OPEN,
    /**
     * Additional content is allowed, but only at the end of the list. Note that
     * using this requires that the slices be ordered, which makes it hard to share
     * uses. This should only be done where absolutely required.
     */
    OPENATEND,
    /**
     * added to help the parsers with the generic types
     */
    NULL;

    public static SlicingRules fromCode(String codeString) throws FHIRException {
      if (codeString == null || "".equals(codeString))
        return null;
      if ("closed".equals(codeString))
        return CLOSED;
      if ("open".equals(codeString))
        return OPEN;
      if ("openAtEnd".equals(codeString))
        return OPENATEND;
      if (Configuration.isAcceptInvalidEnums())
        return null;
      else
        throw new FHIRException("Unknown SlicingRules code '" + codeString + "'");
    }

    public String toCode() {
      switch (this) {
      case CLOSED:
        return "closed";
      case OPEN:
        return "open";
      case OPENATEND:
        return "openAtEnd";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getSystem() {
      switch (this) {
      case CLOSED:
        return "http://hl7.org/fhir/resource-slicing-rules";
      case OPEN:
        return "http://hl7.org/fhir/resource-slicing-rules";
      case OPENATEND:
        return "http://hl7.org/fhir/resource-slicing-rules";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDefinition() {
      switch (this) {
      case CLOSED:
        return "No additional content is allowed other than that described by the slices in this profile.";
      case OPEN:
        return "Additional content is allowed anywhere in the list.";
      case OPENATEND:
        return "Additional content is allowed, but only at the end of the list. Note that using this requires that the slices be ordered, which makes it hard to share uses. This should only be done where absolutely required.";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDisplay() {
      switch (this) {
      case CLOSED:
        return "Closed";
      case OPEN:
        return "Open";
      case OPENATEND:
        return "Open at End";
      case NULL:
        return null;
      default:
        return "?";
      }
    }
  }

  public static class SlicingRulesEnumFactory implements EnumFactory<SlicingRules> {
    public SlicingRules fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
        if (codeString == null || "".equals(codeString))
          return null;
      if ("closed".equals(codeString))
        return SlicingRules.CLOSED;
      if ("open".equals(codeString))
        return SlicingRules.OPEN;
      if ("openAtEnd".equals(codeString))
        return SlicingRules.OPENATEND;
      throw new IllegalArgumentException("Unknown SlicingRules code '" + codeString + "'");
    }

    public Enumeration<SlicingRules> fromType(PrimitiveType<?> code) throws FHIRException {
      if (code == null)
        return null;
      if (code.isEmpty())
        return new Enumeration<SlicingRules>(this, SlicingRules.NULL, code);
      String codeString = code.asStringValue();
      if (codeString == null || "".equals(codeString))
        return new Enumeration<SlicingRules>(this, SlicingRules.NULL, code);
      if ("closed".equals(codeString))
        return new Enumeration<SlicingRules>(this, SlicingRules.CLOSED, code);
      if ("open".equals(codeString))
        return new Enumeration<SlicingRules>(this, SlicingRules.OPEN, code);
      if ("openAtEnd".equals(codeString))
        return new Enumeration<SlicingRules>(this, SlicingRules.OPENATEND, code);
      throw new FHIRException("Unknown SlicingRules code '" + codeString + "'");
    }

    public String toCode(SlicingRules code) {
       if (code == SlicingRules.NULL)
           return null;
       if (code == SlicingRules.CLOSED)
        return "closed";
      if (code == SlicingRules.OPEN)
        return "open";
      if (code == SlicingRules.OPENATEND)
        return "openAtEnd";
      return "?";
   }

    public String toSystem(SlicingRules code) {
      return code.getSystem();
    }
  }

  public enum AggregationMode {
    /**
     * The reference is a local reference to a contained resource.
     */
    CONTAINED,
    /**
     * The reference to a resource that has to be resolved externally to the
     * resource that includes the reference.
     */
    REFERENCED,
    /**
     * The resource the reference points to will be found in the same bundle as the
     * resource that includes the reference.
     */
    BUNDLED,
    /**
     * added to help the parsers with the generic types
     */
    NULL;

    public static AggregationMode fromCode(String codeString) throws FHIRException {
      if (codeString == null || "".equals(codeString))
        return null;
      if ("contained".equals(codeString))
        return CONTAINED;
      if ("referenced".equals(codeString))
        return REFERENCED;
      if ("bundled".equals(codeString))
        return BUNDLED;
      if (Configuration.isAcceptInvalidEnums())
        return null;
      else
        throw new FHIRException("Unknown AggregationMode code '" + codeString + "'");
    }

    public String toCode() {
      switch (this) {
      case CONTAINED:
        return "contained";
      case REFERENCED:
        return "referenced";
      case BUNDLED:
        return "bundled";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getSystem() {
      switch (this) {
      case CONTAINED:
        return "http://hl7.org/fhir/resource-aggregation-mode";
      case REFERENCED:
        return "http://hl7.org/fhir/resource-aggregation-mode";
      case BUNDLED:
        return "http://hl7.org/fhir/resource-aggregation-mode";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDefinition() {
      switch (this) {
      case CONTAINED:
        return "The reference is a local reference to a contained resource.";
      case REFERENCED:
        return "The reference to a resource that has to be resolved externally to the resource that includes the reference.";
      case BUNDLED:
        return "The resource the reference points to will be found in the same bundle as the resource that includes the reference.";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDisplay() {
      switch (this) {
      case CONTAINED:
        return "Contained";
      case REFERENCED:
        return "Referenced";
      case BUNDLED:
        return "Bundled";
      case NULL:
        return null;
      default:
        return "?";
      }
    }
  }

  public static class AggregationModeEnumFactory implements EnumFactory<AggregationMode> {
    public AggregationMode fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
        if (codeString == null || "".equals(codeString))
          return null;
      if ("contained".equals(codeString))
        return AggregationMode.CONTAINED;
      if ("referenced".equals(codeString))
        return AggregationMode.REFERENCED;
      if ("bundled".equals(codeString))
        return AggregationMode.BUNDLED;
      throw new IllegalArgumentException("Unknown AggregationMode code '" + codeString + "'");
    }

    public Enumeration<AggregationMode> fromType(PrimitiveType<?> code) throws FHIRException {
      if (code == null)
        return null;
      if (code.isEmpty())
        return new Enumeration<AggregationMode>(this, AggregationMode.NULL, code);
      String codeString = code.asStringValue();
      if (codeString == null || "".equals(codeString))
        return new Enumeration<AggregationMode>(this, AggregationMode.NULL, code);
      if ("contained".equals(codeString))
        return new Enumeration<AggregationMode>(this, AggregationMode.CONTAINED, code);
      if ("referenced".equals(codeString))
        return new Enumeration<AggregationMode>(this, AggregationMode.REFERENCED, code);
      if ("bundled".equals(codeString))
        return new Enumeration<AggregationMode>(this, AggregationMode.BUNDLED, code);
      throw new FHIRException("Unknown AggregationMode code '" + codeString + "'");
    }

    public String toCode(AggregationMode code) {
       if (code == AggregationMode.NULL)
           return null;
       if (code == AggregationMode.CONTAINED)
        return "contained";
      if (code == AggregationMode.REFERENCED)
        return "referenced";
      if (code == AggregationMode.BUNDLED)
        return "bundled";
      return "?";
   }

    public String toSystem(AggregationMode code) {
      return code.getSystem();
    }
  }

  public enum ReferenceVersionRules {
    /**
     * The reference may be either version independent or version specific.
     */
    EITHER,
    /**
     * The reference must be version independent.
     */
    INDEPENDENT,
    /**
     * The reference must be version specific.
     */
    SPECIFIC,
    /**
     * added to help the parsers with the generic types
     */
    NULL;

    public static ReferenceVersionRules fromCode(String codeString) throws FHIRException {
      if (codeString == null || "".equals(codeString))
        return null;
      if ("either".equals(codeString))
        return EITHER;
      if ("independent".equals(codeString))
        return INDEPENDENT;
      if ("specific".equals(codeString))
        return SPECIFIC;
      if (Configuration.isAcceptInvalidEnums())
        return null;
      else
        throw new FHIRException("Unknown ReferenceVersionRules code '" + codeString + "'");
    }

    public String toCode() {
      switch (this) {
      case EITHER:
        return "either";
      case INDEPENDENT:
        return "independent";
      case SPECIFIC:
        return "specific";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getSystem() {
      switch (this) {
      case EITHER:
        return "http://hl7.org/fhir/reference-version-rules";
      case INDEPENDENT:
        return "http://hl7.org/fhir/reference-version-rules";
      case SPECIFIC:
        return "http://hl7.org/fhir/reference-version-rules";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDefinition() {
      switch (this) {
      case EITHER:
        return "The reference may be either version independent or version specific.";
      case INDEPENDENT:
        return "The reference must be version independent.";
      case SPECIFIC:
        return "The reference must be version specific.";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDisplay() {
      switch (this) {
      case EITHER:
        return "Either Specific or independent";
      case INDEPENDENT:
        return "Version independent";
      case SPECIFIC:
        return "Version Specific";
      case NULL:
        return null;
      default:
        return "?";
      }
    }
  }

  public static class ReferenceVersionRulesEnumFactory implements EnumFactory<ReferenceVersionRules> {
    public ReferenceVersionRules fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
        if (codeString == null || "".equals(codeString))
          return null;
      if ("either".equals(codeString))
        return ReferenceVersionRules.EITHER;
      if ("independent".equals(codeString))
        return ReferenceVersionRules.INDEPENDENT;
      if ("specific".equals(codeString))
        return ReferenceVersionRules.SPECIFIC;
      throw new IllegalArgumentException("Unknown ReferenceVersionRules code '" + codeString + "'");
    }

    public Enumeration<ReferenceVersionRules> fromType(PrimitiveType<?> code) throws FHIRException {
      if (code == null)
        return null;
      if (code.isEmpty())
        return new Enumeration<ReferenceVersionRules>(this, ReferenceVersionRules.NULL, code);
      String codeString = code.asStringValue();
      if (codeString == null || "".equals(codeString))
        return new Enumeration<ReferenceVersionRules>(this, ReferenceVersionRules.NULL, code);
      if ("either".equals(codeString))
        return new Enumeration<ReferenceVersionRules>(this, ReferenceVersionRules.EITHER, code);
      if ("independent".equals(codeString))
        return new Enumeration<ReferenceVersionRules>(this, ReferenceVersionRules.INDEPENDENT, code);
      if ("specific".equals(codeString))
        return new Enumeration<ReferenceVersionRules>(this, ReferenceVersionRules.SPECIFIC, code);
      throw new FHIRException("Unknown ReferenceVersionRules code '" + codeString + "'");
    }

    public String toCode(ReferenceVersionRules code) {
       if (code == ReferenceVersionRules.NULL)
           return null;
       if (code == ReferenceVersionRules.EITHER)
        return "either";
      if (code == ReferenceVersionRules.INDEPENDENT)
        return "independent";
      if (code == ReferenceVersionRules.SPECIFIC)
        return "specific";
      return "?";
   }

    public String toSystem(ReferenceVersionRules code) {
      return code.getSystem();
    }
  }

  public enum ConstraintSeverity {
    /**
     * If the constraint is violated, the resource is not conformant.
     */
    ERROR,
    /**
     * If the constraint is violated, the resource is conformant, but it is not
     * necessarily following best practice.
     */
    WARNING,
    /**
     * added to help the parsers with the generic types
     */
    NULL;

    public static ConstraintSeverity fromCode(String codeString) throws FHIRException {
      if (codeString == null || "".equals(codeString))
        return null;
      if ("error".equals(codeString))
        return ERROR;
      if ("warning".equals(codeString))
        return WARNING;
      if (Configuration.isAcceptInvalidEnums())
        return null;
      else
        throw new FHIRException("Unknown ConstraintSeverity code '" + codeString + "'");
    }

    public String toCode() {
      switch (this) {
      case ERROR:
        return "error";
      case WARNING:
        return "warning";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getSystem() {
      switch (this) {
      case ERROR:
        return "http://hl7.org/fhir/constraint-severity";
      case WARNING:
        return "http://hl7.org/fhir/constraint-severity";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDefinition() {
      switch (this) {
      case ERROR:
        return "If the constraint is violated, the resource is not conformant.";
      case WARNING:
        return "If the constraint is violated, the resource is conformant, but it is not necessarily following best practice.";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDisplay() {
      switch (this) {
      case ERROR:
        return "Error";
      case WARNING:
        return "Warning";
      case NULL:
        return null;
      default:
        return "?";
      }
    }
  }

  public static class ConstraintSeverityEnumFactory implements EnumFactory<ConstraintSeverity> {
    public ConstraintSeverity fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
        if (codeString == null || "".equals(codeString))
          return null;
      if ("error".equals(codeString))
        return ConstraintSeverity.ERROR;
      if ("warning".equals(codeString))
        return ConstraintSeverity.WARNING;
      throw new IllegalArgumentException("Unknown ConstraintSeverity code '" + codeString + "'");
    }

    public Enumeration<ConstraintSeverity> fromType(PrimitiveType<?> code) throws FHIRException {
      if (code == null)
        return null;
      if (code.isEmpty())
        return new Enumeration<ConstraintSeverity>(this, ConstraintSeverity.NULL, code);
      String codeString = code.asStringValue();
      if (codeString == null || "".equals(codeString))
        return new Enumeration<ConstraintSeverity>(this, ConstraintSeverity.NULL, code);
      if ("error".equals(codeString))
        return new Enumeration<ConstraintSeverity>(this, ConstraintSeverity.ERROR, code);
      if ("warning".equals(codeString))
        return new Enumeration<ConstraintSeverity>(this, ConstraintSeverity.WARNING, code);
      throw new FHIRException("Unknown ConstraintSeverity code '" + codeString + "'");
    }

    public String toCode(ConstraintSeverity code) {
       if (code == ConstraintSeverity.NULL)
           return null;
       if (code == ConstraintSeverity.ERROR)
        return "error";
      if (code == ConstraintSeverity.WARNING)
        return "warning";
      return "?";
   }

    public String toSystem(ConstraintSeverity code) {
      return code.getSystem();
    }
  }

  @Block()
  public static class ElementDefinitionSlicingComponent extends Element implements IBaseDatatypeElement {
    /**
     * Designates which child elements are used to discriminate between the slices
     * when processing an instance. If one or more discriminators are provided, the
     * value of the child elements in the instance data SHALL completely distinguish
     * which slice the element in the resource matches based on the allowed values
     * for those elements in each of the slices.
     */
    @Child(name = "discriminator", type = {}, order = 1, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
    @Description(shortDefinition = "Element values that are used to distinguish the slices", formalDefinition = "Designates which child elements are used to discriminate between the slices when processing an instance. If one or more discriminators are provided, the value of the child elements in the instance data SHALL completely distinguish which slice the element in the resource matches based on the allowed values for those elements in each of the slices.")
    protected List<ElementDefinitionSlicingDiscriminatorComponent> discriminator;

    /**
     * A human-readable text description of how the slicing works. If there is no
     * discriminator, this is required to be present to provide whatever information
     * is possible about how the slices can be differentiated.
     */
    @Child(name = "description", type = {
        StringType.class }, order = 2, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Text description of how slicing works (or not)", formalDefinition = "A human-readable text description of how the slicing works. If there is no discriminator, this is required to be present to provide whatever information is possible about how the slices can be differentiated.")
    protected StringType description;

    /**
     * If the matching elements have to occur in the same order as defined in the
     * profile.
     */
    @Child(name = "ordered", type = {
        BooleanType.class }, order = 3, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "If elements must be in same order as slices", formalDefinition = "If the matching elements have to occur in the same order as defined in the profile.")
    protected BooleanType ordered;

    /**
     * Whether additional slices are allowed or not. When the slices are ordered,
     * profile authors can also say that additional slices are only allowed at the
     * end.
     */
    @Child(name = "rules", type = { CodeType.class }, order = 4, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "closed | open | openAtEnd", formalDefinition = "Whether additional slices are allowed or not. When the slices are ordered, profile authors can also say that additional slices are only allowed at the end.")
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/resource-slicing-rules")
    protected Enumeration<SlicingRules> rules;

    private static final long serialVersionUID = -311635839L;

    /**
     * Constructor
     */
    public ElementDefinitionSlicingComponent() {
      super();
    }

    /**
     * Constructor
     */
    public ElementDefinitionSlicingComponent(Enumeration<SlicingRules> rules) {
      super();
      this.rules = rules;
    }

    /**
     * @return {@link #discriminator} (Designates which child elements are used to
     *         discriminate between the slices when processing an instance. If one
     *         or more discriminators are provided, the value of the child elements
     *         in the instance data SHALL completely distinguish which slice the
     *         element in the resource matches based on the allowed values for those
     *         elements in each of the slices.)
     */
    public List<ElementDefinitionSlicingDiscriminatorComponent> getDiscriminator() {
      if (this.discriminator == null)
        this.discriminator = new ArrayList<ElementDefinitionSlicingDiscriminatorComponent>();
      return this.discriminator;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public ElementDefinitionSlicingComponent setDiscriminator(
        List<ElementDefinitionSlicingDiscriminatorComponent> theDiscriminator) {
      this.discriminator = theDiscriminator;
      return this;
    }

    public boolean hasDiscriminator() {
      if (this.discriminator == null)
        return false;
      for (ElementDefinitionSlicingDiscriminatorComponent item : this.discriminator)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public ElementDefinitionSlicingDiscriminatorComponent addDiscriminator() { // 3
      ElementDefinitionSlicingDiscriminatorComponent t = new ElementDefinitionSlicingDiscriminatorComponent();
      if (this.discriminator == null)
        this.discriminator = new ArrayList<ElementDefinitionSlicingDiscriminatorComponent>();
      this.discriminator.add(t);
      return t;
    }

    public ElementDefinitionSlicingComponent addDiscriminator(ElementDefinitionSlicingDiscriminatorComponent t) { // 3
      if (t == null)
        return this;
      if (this.discriminator == null)
        this.discriminator = new ArrayList<ElementDefinitionSlicingDiscriminatorComponent>();
      this.discriminator.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #discriminator},
     *         creating it if it does not already exist
     */
    public ElementDefinitionSlicingDiscriminatorComponent getDiscriminatorFirstRep() {
      if (getDiscriminator().isEmpty()) {
        addDiscriminator();
      }
      return getDiscriminator().get(0);
    }

    /**
     * @return {@link #description} (A human-readable text description of how the
     *         slicing works. If there is no discriminator, this is required to be
     *         present to provide whatever information is possible about how the
     *         slices can be differentiated.). This is the underlying object with
     *         id, value and extensions. The accessor "getDescription" gives direct
     *         access to the value
     */
    public StringType getDescriptionElement() {
      if (this.description == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionSlicingComponent.description");
        else if (Configuration.doAutoCreate())
          this.description = new StringType(); // bb
      return this.description;
    }

    public boolean hasDescriptionElement() {
      return this.description != null && !this.description.isEmpty();
    }

    public boolean hasDescription() {
      return this.description != null && !this.description.isEmpty();
    }

    /**
     * @param value {@link #description} (A human-readable text description of how
     *              the slicing works. If there is no discriminator, this is
     *              required to be present to provide whatever information is
     *              possible about how the slices can be differentiated.). This is
     *              the underlying object with id, value and extensions. The
     *              accessor "getDescription" gives direct access to the value
     */
    public ElementDefinitionSlicingComponent setDescriptionElement(StringType value) {
      this.description = value;
      return this;
    }

    /**
     * @return A human-readable text description of how the slicing works. If there
     *         is no discriminator, this is required to be present to provide
     *         whatever information is possible about how the slices can be
     *         differentiated.
     */
    public String getDescription() {
      return this.description == null ? null : this.description.getValue();
    }

    /**
     * @param value A human-readable text description of how the slicing works. If
     *              there is no discriminator, this is required to be present to
     *              provide whatever information is possible about how the slices
     *              can be differentiated.
     */
    public ElementDefinitionSlicingComponent setDescription(String value) {
      if (Utilities.noString(value))
        this.description = null;
      else {
        if (this.description == null)
          this.description = new StringType();
        this.description.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #ordered} (If the matching elements have to occur in the same
     *         order as defined in the profile.). This is the underlying object with
     *         id, value and extensions. The accessor "getOrdered" gives direct
     *         access to the value
     */
    public BooleanType getOrderedElement() {
      if (this.ordered == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionSlicingComponent.ordered");
        else if (Configuration.doAutoCreate())
          this.ordered = new BooleanType(); // bb
      return this.ordered;
    }

    public boolean hasOrderedElement() {
      return this.ordered != null && !this.ordered.isEmpty();
    }

    public boolean hasOrdered() {
      return this.ordered != null && !this.ordered.isEmpty();
    }

    /**
     * @param value {@link #ordered} (If the matching elements have to occur in the
     *              same order as defined in the profile.). This is the underlying
     *              object with id, value and extensions. The accessor "getOrdered"
     *              gives direct access to the value
     */
    public ElementDefinitionSlicingComponent setOrderedElement(BooleanType value) {
      this.ordered = value;
      return this;
    }

    /**
     * @return If the matching elements have to occur in the same order as defined
     *         in the profile.
     */
    public boolean getOrdered() {
      return this.ordered == null || this.ordered.isEmpty() ? false : this.ordered.getValue();
    }

    /**
     * @param value If the matching elements have to occur in the same order as
     *              defined in the profile.
     */
    public ElementDefinitionSlicingComponent setOrdered(boolean value) {
      if (this.ordered == null)
        this.ordered = new BooleanType();
      this.ordered.setValue(value);
      return this;
    }

    /**
     * @return {@link #rules} (Whether additional slices are allowed or not. When
     *         the slices are ordered, profile authors can also say that additional
     *         slices are only allowed at the end.). This is the underlying object
     *         with id, value and extensions. The accessor "getRules" gives direct
     *         access to the value
     */
    public Enumeration<SlicingRules> getRulesElement() {
      if (this.rules == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionSlicingComponent.rules");
        else if (Configuration.doAutoCreate())
          this.rules = new Enumeration<SlicingRules>(new SlicingRulesEnumFactory()); // bb
      return this.rules;
    }

    public boolean hasRulesElement() {
      return this.rules != null && !this.rules.isEmpty();
    }

    public boolean hasRules() {
      return this.rules != null && !this.rules.isEmpty();
    }

    /**
     * @param value {@link #rules} (Whether additional slices are allowed or not.
     *              When the slices are ordered, profile authors can also say that
     *              additional slices are only allowed at the end.). This is the
     *              underlying object with id, value and extensions. The accessor
     *              "getRules" gives direct access to the value
     */
    public ElementDefinitionSlicingComponent setRulesElement(Enumeration<SlicingRules> value) {
      this.rules = value;
      return this;
    }

    /**
     * @return Whether additional slices are allowed or not. When the slices are
     *         ordered, profile authors can also say that additional slices are only
     *         allowed at the end.
     */
    public SlicingRules getRules() {
      return this.rules == null ? null : this.rules.getValue();
    }

    /**
     * @param value Whether additional slices are allowed or not. When the slices
     *              are ordered, profile authors can also say that additional slices
     *              are only allowed at the end.
     */
    public ElementDefinitionSlicingComponent setRules(SlicingRules value) {
      if (this.rules == null)
        this.rules = new Enumeration<SlicingRules>(new SlicingRulesEnumFactory());
      this.rules.setValue(value);
      return this;
    }

    protected void listChildren(List<Property> children) {
      super.listChildren(children);
      children.add(new Property("discriminator", "",
          "Designates which child elements are used to discriminate between the slices when processing an instance. If one or more discriminators are provided, the value of the child elements in the instance data SHALL completely distinguish which slice the element in the resource matches based on the allowed values for those elements in each of the slices.",
          0, java.lang.Integer.MAX_VALUE, discriminator));
      children.add(new Property("description", "string",
          "A human-readable text description of how the slicing works. If there is no discriminator, this is required to be present to provide whatever information is possible about how the slices can be differentiated.",
          0, 1, description));
      children.add(new Property("ordered", "boolean",
          "If the matching elements have to occur in the same order as defined in the profile.", 0, 1, ordered));
      children.add(new Property("rules", "code",
          "Whether additional slices are allowed or not. When the slices are ordered, profile authors can also say that additional slices are only allowed at the end.",
          0, 1, rules));
    }

    @Override
    public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
      switch (_hash) {
      case -1888270692:
        /* discriminator */ return new Property("discriminator", "",
            "Designates which child elements are used to discriminate between the slices when processing an instance. If one or more discriminators are provided, the value of the child elements in the instance data SHALL completely distinguish which slice the element in the resource matches based on the allowed values for those elements in each of the slices.",
            0, java.lang.Integer.MAX_VALUE, discriminator);
      case -1724546052:
        /* description */ return new Property("description", "string",
            "A human-readable text description of how the slicing works. If there is no discriminator, this is required to be present to provide whatever information is possible about how the slices can be differentiated.",
            0, 1, description);
      case -1207109523:
        /* ordered */ return new Property("ordered", "boolean",
            "If the matching elements have to occur in the same order as defined in the profile.", 0, 1, ordered);
      case 108873975:
        /* rules */ return new Property("rules", "code",
            "Whether additional slices are allowed or not. When the slices are ordered, profile authors can also say that additional slices are only allowed at the end.",
            0, 1, rules);
      default:
        return super.getNamedProperty(_hash, _name, _checkValid);
      }

    }

    @Override
    public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
      switch (hash) {
      case -1888270692:
        /* discriminator */ return this.discriminator == null ? new Base[0]
            : this.discriminator.toArray(new Base[this.discriminator.size()]); // ElementDefinitionSlicingDiscriminatorComponent
      case -1724546052:
        /* description */ return this.description == null ? new Base[0] : new Base[] { this.description }; // StringType
      case -1207109523:
        /* ordered */ return this.ordered == null ? new Base[0] : new Base[] { this.ordered }; // BooleanType
      case 108873975:
        /* rules */ return this.rules == null ? new Base[0] : new Base[] { this.rules }; // Enumeration<SlicingRules>
      default:
        return super.getProperty(hash, name, checkValid);
      }

    }

    @Override
    public Base setProperty(int hash, String name, Base value) throws FHIRException {
      switch (hash) {
      case -1888270692: // discriminator
        this.getDiscriminator().add((ElementDefinitionSlicingDiscriminatorComponent) value); // ElementDefinitionSlicingDiscriminatorComponent
        return value;
      case -1724546052: // description
        this.description = castToString(value); // StringType
        return value;
      case -1207109523: // ordered
        this.ordered = castToBoolean(value); // BooleanType
        return value;
      case 108873975: // rules
        value = new SlicingRulesEnumFactory().fromType(castToCode(value));
        this.rules = (Enumeration) value; // Enumeration<SlicingRules>
        return value;
      default:
        return super.setProperty(hash, name, value);
      }

    }

    @Override
    public Base setProperty(String name, Base value) throws FHIRException {
      if (name.equals("discriminator")) {
        this.getDiscriminator().add((ElementDefinitionSlicingDiscriminatorComponent) value);
      } else if (name.equals("description")) {
        this.description = castToString(value); // StringType
      } else if (name.equals("ordered")) {
        this.ordered = castToBoolean(value); // BooleanType
      } else if (name.equals("rules")) {
        value = new SlicingRulesEnumFactory().fromType(castToCode(value));
        this.rules = (Enumeration) value; // Enumeration<SlicingRules>
      } else
        return super.setProperty(name, value);
      return value;
    }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
      if (name.equals("discriminator")) {
        this.getDiscriminator().remove((ElementDefinitionSlicingDiscriminatorComponent) value);
      } else if (name.equals("description")) {
        this.description = null;
      } else if (name.equals("ordered")) {
        this.ordered = null;
      } else if (name.equals("rules")) {
        this.rules = null;
      } else
        super.removeChild(name, value);
      
    }

    @Override
    public Base makeProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case -1888270692:
        return addDiscriminator();
      case -1724546052:
        return getDescriptionElement();
      case -1207109523:
        return getOrderedElement();
      case 108873975:
        return getRulesElement();
      default:
        return super.makeProperty(hash, name);
      }

    }

    @Override
    public String[] getTypesForProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case -1888270692:
        /* discriminator */ return new String[] {};
      case -1724546052:
        /* description */ return new String[] { "string" };
      case -1207109523:
        /* ordered */ return new String[] { "boolean" };
      case 108873975:
        /* rules */ return new String[] { "code" };
      default:
        return super.getTypesForProperty(hash, name);
      }

    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("discriminator")) {
        return addDiscriminator();
      } else if (name.equals("description")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.description");
      } else if (name.equals("ordered")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.ordered");
      } else if (name.equals("rules")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.rules");
      } else
        return super.addChild(name);
    }

    public ElementDefinitionSlicingComponent copy() {
      ElementDefinitionSlicingComponent dst = new ElementDefinitionSlicingComponent();
      copyValues(dst);
      return dst;
    }

    public void copyValues(ElementDefinitionSlicingComponent dst) {
      super.copyValues(dst);
      if (discriminator != null) {
        dst.discriminator = new ArrayList<ElementDefinitionSlicingDiscriminatorComponent>();
        for (ElementDefinitionSlicingDiscriminatorComponent i : discriminator)
          dst.discriminator.add(i.copy());
      }
      ;
      dst.description = description == null ? null : description.copy();
      dst.ordered = ordered == null ? null : ordered.copy();
      dst.rules = rules == null ? null : rules.copy();
    }

    @Override
    public boolean equalsDeep(Base other_) {
      if (!super.equalsDeep(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionSlicingComponent))
        return false;
      ElementDefinitionSlicingComponent o = (ElementDefinitionSlicingComponent) other_;
      return compareDeep(discriminator, o.discriminator, true) && compareDeep(description, o.description, true)
          && compareDeep(ordered, o.ordered, true) && compareDeep(rules, o.rules, true);
    }

    @Override
    public boolean equalsShallow(Base other_) {
      if (!super.equalsShallow(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionSlicingComponent))
        return false;
      ElementDefinitionSlicingComponent o = (ElementDefinitionSlicingComponent) other_;
      return compareValues(description, o.description, true) && compareValues(ordered, o.ordered, true)
          && compareValues(rules, o.rules, true);
    }

    public boolean isEmpty() {
      return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(discriminator, description, ordered, rules);
    }

    public String fhirType() {
      return "ElementDefinition.slicing";

    }

  }

  @Block()
  public static class ElementDefinitionSlicingDiscriminatorComponent extends Element implements IBaseDatatypeElement {
    /**
     * How the element value is interpreted when discrimination is evaluated.
     */
    @Child(name = "type", type = { CodeType.class }, order = 1, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "value | exists | pattern | type | profile", formalDefinition = "How the element value is interpreted when discrimination is evaluated.")
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/discriminator-type")
    protected Enumeration<DiscriminatorType> type;

    /**
     * A FHIRPath expression, using [the simple subset of
     * FHIRPath](fhirpath.html#simple), that is used to identify the element on
     * which discrimination is based.
     */
    @Child(name = "path", type = { StringType.class }, order = 2, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Path to element value", formalDefinition = "A FHIRPath expression, using [the simple subset of FHIRPath](fhirpath.html#simple), that is used to identify the element on which discrimination is based.")
    protected StringType path;

    private static final long serialVersionUID = 1151159293L;

    /**
     * Constructor
     */
    public ElementDefinitionSlicingDiscriminatorComponent() {
      super();
    }

    /**
     * Constructor
     */
    public ElementDefinitionSlicingDiscriminatorComponent(Enumeration<DiscriminatorType> type, StringType path) {
      super();
      this.type = type;
      this.path = path;
    }

    /**
     * @return {@link #type} (How the element value is interpreted when
     *         discrimination is evaluated.). This is the underlying object with id,
     *         value and extensions. The accessor "getType" gives direct access to
     *         the value
     */
    public Enumeration<DiscriminatorType> getTypeElement() {
      if (this.type == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionSlicingDiscriminatorComponent.type");
        else if (Configuration.doAutoCreate())
          this.type = new Enumeration<DiscriminatorType>(new DiscriminatorTypeEnumFactory()); // bb
      return this.type;
    }

    public boolean hasTypeElement() {
      return this.type != null && !this.type.isEmpty();
    }

    public boolean hasType() {
      return this.type != null && !this.type.isEmpty();
    }

    /**
     * @param value {@link #type} (How the element value is interpreted when
     *              discrimination is evaluated.). This is the underlying object
     *              with id, value and extensions. The accessor "getType" gives
     *              direct access to the value
     */
    public ElementDefinitionSlicingDiscriminatorComponent setTypeElement(Enumeration<DiscriminatorType> value) {
      this.type = value;
      return this;
    }

    /**
     * @return How the element value is interpreted when discrimination is
     *         evaluated.
     */
    public DiscriminatorType getType() {
      return this.type == null ? null : this.type.getValue();
    }

    /**
     * @param value How the element value is interpreted when discrimination is
     *              evaluated.
     */
    public ElementDefinitionSlicingDiscriminatorComponent setType(DiscriminatorType value) {
      if (this.type == null)
        this.type = new Enumeration<DiscriminatorType>(new DiscriminatorTypeEnumFactory());
      this.type.setValue(value);
      return this;
    }

    /**
     * @return {@link #path} (A FHIRPath expression, using [the simple subset of
     *         FHIRPath](fhirpath.html#simple), that is used to identify the element
     *         on which discrimination is based.). This is the underlying object
     *         with id, value and extensions. The accessor "getPath" gives direct
     *         access to the value
     */
    public StringType getPathElement() {
      if (this.path == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionSlicingDiscriminatorComponent.path");
        else if (Configuration.doAutoCreate())
          this.path = new StringType(); // bb
      return this.path;
    }

    public boolean hasPathElement() {
      return this.path != null && !this.path.isEmpty();
    }

    public boolean hasPath() {
      return this.path != null && !this.path.isEmpty();
    }

    /**
     * @param value {@link #path} (A FHIRPath expression, using [the simple subset
     *              of FHIRPath](fhirpath.html#simple), that is used to identify the
     *              element on which discrimination is based.). This is the
     *              underlying object with id, value and extensions. The accessor
     *              "getPath" gives direct access to the value
     */
    public ElementDefinitionSlicingDiscriminatorComponent setPathElement(StringType value) {
      this.path = value;
      return this;
    }

    /**
     * @return A FHIRPath expression, using [the simple subset of
     *         FHIRPath](fhirpath.html#simple), that is used to identify the element
     *         on which discrimination is based.
     */
    public String getPath() {
      return this.path == null ? null : this.path.getValue();
    }

    /**
     * @param value A FHIRPath expression, using [the simple subset of
     *              FHIRPath](fhirpath.html#simple), that is used to identify the
     *              element on which discrimination is based.
     */
    public ElementDefinitionSlicingDiscriminatorComponent setPath(String value) {
      if (this.path == null)
        this.path = new StringType();
      this.path.setValue(value);
      return this;
    }

    protected void listChildren(List<Property> children) {
      super.listChildren(children);
      children.add(new Property("type", "code",
          "How the element value is interpreted when discrimination is evaluated.", 0, 1, type));
      children.add(new Property("path", "string",
          "A FHIRPath expression, using [the simple subset of FHIRPath](fhirpath.html#simple), that is used to identify the element on which discrimination is based.",
          0, 1, path));
    }

    @Override
    public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
      switch (_hash) {
      case 3575610:
        /* type */ return new Property("type", "code",
            "How the element value is interpreted when discrimination is evaluated.", 0, 1, type);
      case 3433509:
        /* path */ return new Property("path", "string",
            "A FHIRPath expression, using [the simple subset of FHIRPath](fhirpath.html#simple), that is used to identify the element on which discrimination is based.",
            0, 1, path);
      default:
        return super.getNamedProperty(_hash, _name, _checkValid);
      }

    }

    @Override
    public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
      switch (hash) {
      case 3575610:
        /* type */ return this.type == null ? new Base[0] : new Base[] { this.type }; // Enumeration<DiscriminatorType>
      case 3433509:
        /* path */ return this.path == null ? new Base[0] : new Base[] { this.path }; // StringType
      default:
        return super.getProperty(hash, name, checkValid);
      }

    }

    @Override
    public Base setProperty(int hash, String name, Base value) throws FHIRException {
      switch (hash) {
      case 3575610: // type
        value = new DiscriminatorTypeEnumFactory().fromType(castToCode(value));
        this.type = (Enumeration) value; // Enumeration<DiscriminatorType>
        return value;
      case 3433509: // path
        this.path = castToString(value); // StringType
        return value;
      default:
        return super.setProperty(hash, name, value);
      }

    }

    @Override
    public Base setProperty(String name, Base value) throws FHIRException {
      if (name.equals("type")) {
        value = new DiscriminatorTypeEnumFactory().fromType(castToCode(value));
        this.type = (Enumeration) value; // Enumeration<DiscriminatorType>
      } else if (name.equals("path")) {
        this.path = castToString(value); // StringType
      } else
        return super.setProperty(name, value);
      return value;
    }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
      if (name.equals("type")) {
        this.type = null;
      } else if (name.equals("path")) {
        this.path = null;
      } else
        super.removeChild(name, value);
      
    }

    @Override
    public Base makeProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 3575610:
        return getTypeElement();
      case 3433509:
        return getPathElement();
      default:
        return super.makeProperty(hash, name);
      }

    }

    @Override
    public String[] getTypesForProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 3575610:
        /* type */ return new String[] { "code" };
      case 3433509:
        /* path */ return new String[] { "string" };
      default:
        return super.getTypesForProperty(hash, name);
      }

    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("type")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.type");
      } else if (name.equals("path")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.path");
      } else
        return super.addChild(name);
    }

    public ElementDefinitionSlicingDiscriminatorComponent copy() {
      ElementDefinitionSlicingDiscriminatorComponent dst = new ElementDefinitionSlicingDiscriminatorComponent();
      copyValues(dst);
      return dst;
    }

    public void copyValues(ElementDefinitionSlicingDiscriminatorComponent dst) {
      super.copyValues(dst);
      dst.type = type == null ? null : type.copy();
      dst.path = path == null ? null : path.copy();
    }

    @Override
    public boolean equalsDeep(Base other_) {
      if (!super.equalsDeep(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionSlicingDiscriminatorComponent))
        return false;
      ElementDefinitionSlicingDiscriminatorComponent o = (ElementDefinitionSlicingDiscriminatorComponent) other_;
      return compareDeep(type, o.type, true) && compareDeep(path, o.path, true);
    }

    @Override
    public boolean equalsShallow(Base other_) {
      if (!super.equalsShallow(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionSlicingDiscriminatorComponent))
        return false;
      ElementDefinitionSlicingDiscriminatorComponent o = (ElementDefinitionSlicingDiscriminatorComponent) other_;
      return compareValues(type, o.type, true) && compareValues(path, o.path, true);
    }

    public boolean isEmpty() {
      return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(type, path);
    }

    public String fhirType() {
      return "ElementDefinition.slicing.discriminator";

    }

  }

  @Block()
  public static class ElementDefinitionBaseComponent extends Element implements IBaseDatatypeElement {
    /**
     * The Path that identifies the base element - this matches the
     * ElementDefinition.path for that element. Across FHIR, there is only one base
     * definition of any element - that is, an element definition on a
     * [[[StructureDefinition]]] without a StructureDefinition.base.
     */
    @Child(name = "path", type = { StringType.class }, order = 1, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Path that identifies the base element", formalDefinition = "The Path that identifies the base element - this matches the ElementDefinition.path for that element. Across FHIR, there is only one base definition of any element - that is, an element definition on a [[[StructureDefinition]]] without a StructureDefinition.base.")
    protected StringType path;

    /**
     * Minimum cardinality of the base element identified by the path.
     */
    @Child(name = "min", type = {
        UnsignedIntType.class }, order = 2, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Min cardinality of the base element", formalDefinition = "Minimum cardinality of the base element identified by the path.")
    protected UnsignedIntType min;

    /**
     * Maximum cardinality of the base element identified by the path.
     */
    @Child(name = "max", type = { StringType.class }, order = 3, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Max cardinality of the base element", formalDefinition = "Maximum cardinality of the base element identified by the path.")
    protected StringType max;

    private static final long serialVersionUID = -1412704221L;

    /**
     * Constructor
     */
    public ElementDefinitionBaseComponent() {
      super();
    }

    /**
     * Constructor
     */
    public ElementDefinitionBaseComponent(StringType path, UnsignedIntType min, StringType max) {
      super();
      this.path = path;
      this.min = min;
      this.max = max;
    }

    /**
     * @return {@link #path} (The Path that identifies the base element - this
     *         matches the ElementDefinition.path for that element. Across FHIR,
     *         there is only one base definition of any element - that is, an
     *         element definition on a [[[StructureDefinition]]] without a
     *         StructureDefinition.base.). This is the underlying object with id,
     *         value and extensions. The accessor "getPath" gives direct access to
     *         the value
     */
    public StringType getPathElement() {
      if (this.path == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionBaseComponent.path");
        else if (Configuration.doAutoCreate())
          this.path = new StringType(); // bb
      return this.path;
    }

    public boolean hasPathElement() {
      return this.path != null && !this.path.isEmpty();
    }

    public boolean hasPath() {
      return this.path != null && !this.path.isEmpty();
    }

    /**
     * @param value {@link #path} (The Path that identifies the base element - this
     *              matches the ElementDefinition.path for that element. Across
     *              FHIR, there is only one base definition of any element - that
     *              is, an element definition on a [[[StructureDefinition]]] without
     *              a StructureDefinition.base.). This is the underlying object with
     *              id, value and extensions. The accessor "getPath" gives direct
     *              access to the value
     */
    public ElementDefinitionBaseComponent setPathElement(StringType value) {
      this.path = value;
      return this;
    }

    /**
     * @return The Path that identifies the base element - this matches the
     *         ElementDefinition.path for that element. Across FHIR, there is only
     *         one base definition of any element - that is, an element definition
     *         on a [[[StructureDefinition]]] without a StructureDefinition.base.
     */
    public String getPath() {
      return this.path == null ? null : this.path.getValue();
    }

    /**
     * @param value The Path that identifies the base element - this matches the
     *              ElementDefinition.path for that element. Across FHIR, there is
     *              only one base definition of any element - that is, an element
     *              definition on a [[[StructureDefinition]]] without a
     *              StructureDefinition.base.
     */
    public ElementDefinitionBaseComponent setPath(String value) {
      if (this.path == null)
        this.path = new StringType();
      this.path.setValue(value);
      return this;
    }

    /**
     * @return {@link #min} (Minimum cardinality of the base element identified by
     *         the path.). This is the underlying object with id, value and
     *         extensions. The accessor "getMin" gives direct access to the value
     */
    public UnsignedIntType getMinElement() {
      if (this.min == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionBaseComponent.min");
        else if (Configuration.doAutoCreate())
          this.min = new UnsignedIntType(); // bb
      return this.min;
    }

    public boolean hasMinElement() {
      return this.min != null && !this.min.isEmpty();
    }

    public boolean hasMin() {
      return this.min != null && !this.min.isEmpty();
    }

    /**
     * @param value {@link #min} (Minimum cardinality of the base element identified
     *              by the path.). This is the underlying object with id, value and
     *              extensions. The accessor "getMin" gives direct access to the
     *              value
     */
    public ElementDefinitionBaseComponent setMinElement(UnsignedIntType value) {
      this.min = value;
      return this;
    }

    /**
     * @return Minimum cardinality of the base element identified by the path.
     */
    public int getMin() {
      return this.min == null || this.min.isEmpty() ? 0 : this.min.getValue();
    }

    /**
     * @param value Minimum cardinality of the base element identified by the path.
     */
    public ElementDefinitionBaseComponent setMin(int value) {
      if (this.min == null)
        this.min = new UnsignedIntType();
      this.min.setValue(value);
      return this;
    }

    /**
     * @return {@link #max} (Maximum cardinality of the base element identified by
     *         the path.). This is the underlying object with id, value and
     *         extensions. The accessor "getMax" gives direct access to the value
     */
    public StringType getMaxElement() {
      if (this.max == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionBaseComponent.max");
        else if (Configuration.doAutoCreate())
          this.max = new StringType(); // bb
      return this.max;
    }

    public boolean hasMaxElement() {
      return this.max != null && !this.max.isEmpty();
    }

    public boolean hasMax() {
      return this.max != null && !this.max.isEmpty();
    }

    /**
     * @param value {@link #max} (Maximum cardinality of the base element identified
     *              by the path.). This is the underlying object with id, value and
     *              extensions. The accessor "getMax" gives direct access to the
     *              value
     */
    public ElementDefinitionBaseComponent setMaxElement(StringType value) {
      this.max = value;
      return this;
    }

    /**
     * @return Maximum cardinality of the base element identified by the path.
     */
    public String getMax() {
      return this.max == null ? null : this.max.getValue();
    }

    /**
     * @param value Maximum cardinality of the base element identified by the path.
     */
    public ElementDefinitionBaseComponent setMax(String value) {
      if (this.max == null)
        this.max = new StringType();
      this.max.setValue(value);
      return this;
    }

    protected void listChildren(List<Property> children) {
      super.listChildren(children);
      children.add(new Property("path", "string",
          "The Path that identifies the base element - this matches the ElementDefinition.path for that element. Across FHIR, there is only one base definition of any element - that is, an element definition on a [[[StructureDefinition]]] without a StructureDefinition.base.",
          0, 1, path));
      children.add(new Property("min", "unsignedInt", "Minimum cardinality of the base element identified by the path.",
          0, 1, min));
      children.add(
          new Property("max", "string", "Maximum cardinality of the base element identified by the path.", 0, 1, max));
    }

    @Override
    public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
      switch (_hash) {
      case 3433509:
        /* path */ return new Property("path", "string",
            "The Path that identifies the base element - this matches the ElementDefinition.path for that element. Across FHIR, there is only one base definition of any element - that is, an element definition on a [[[StructureDefinition]]] without a StructureDefinition.base.",
            0, 1, path);
      case 108114:
        /* min */ return new Property("min", "unsignedInt",
            "Minimum cardinality of the base element identified by the path.", 0, 1, min);
      case 107876:
        /* max */ return new Property("max", "string",
            "Maximum cardinality of the base element identified by the path.", 0, 1, max);
      default:
        return super.getNamedProperty(_hash, _name, _checkValid);
      }

    }

    @Override
    public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
      switch (hash) {
      case 3433509:
        /* path */ return this.path == null ? new Base[0] : new Base[] { this.path }; // StringType
      case 108114:
        /* min */ return this.min == null ? new Base[0] : new Base[] { this.min }; // UnsignedIntType
      case 107876:
        /* max */ return this.max == null ? new Base[0] : new Base[] { this.max }; // StringType
      default:
        return super.getProperty(hash, name, checkValid);
      }

    }

    @Override
    public Base setProperty(int hash, String name, Base value) throws FHIRException {
      switch (hash) {
      case 3433509: // path
        this.path = castToString(value); // StringType
        return value;
      case 108114: // min
        this.min = castToUnsignedInt(value); // UnsignedIntType
        return value;
      case 107876: // max
        this.max = castToString(value); // StringType
        return value;
      default:
        return super.setProperty(hash, name, value);
      }

    }

    @Override
    public Base setProperty(String name, Base value) throws FHIRException {
      if (name.equals("path")) {
        this.path = castToString(value); // StringType
      } else if (name.equals("min")) {
        this.min = castToUnsignedInt(value); // UnsignedIntType
      } else if (name.equals("max")) {
        this.max = castToString(value); // StringType
      } else
        return super.setProperty(name, value);
      return value;
    }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
      if (name.equals("path")) {
        this.path = null;
      } else if (name.equals("min")) {
        this.min = null;
      } else if (name.equals("max")) {
        this.max = null;
      } else
        super.removeChild(name, value);
      
    }

    @Override
    public Base makeProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 3433509:
        return getPathElement();
      case 108114:
        return getMinElement();
      case 107876:
        return getMaxElement();
      default:
        return super.makeProperty(hash, name);
      }

    }

    @Override
    public String[] getTypesForProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 3433509:
        /* path */ return new String[] { "string" };
      case 108114:
        /* min */ return new String[] { "unsignedInt" };
      case 107876:
        /* max */ return new String[] { "string" };
      default:
        return super.getTypesForProperty(hash, name);
      }

    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("path")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.path");
      } else if (name.equals("min")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.min");
      } else if (name.equals("max")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.max");
      } else
        return super.addChild(name);
    }

    public ElementDefinitionBaseComponent copy() {
      ElementDefinitionBaseComponent dst = new ElementDefinitionBaseComponent();
      copyValues(dst);
      return dst;
    }

    public void copyValues(ElementDefinitionBaseComponent dst) {
      super.copyValues(dst);
      dst.path = path == null ? null : path.copy();
      dst.min = min == null ? null : min.copy();
      dst.max = max == null ? null : max.copy();
    }

    @Override
    public boolean equalsDeep(Base other_) {
      if (!super.equalsDeep(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionBaseComponent))
        return false;
      ElementDefinitionBaseComponent o = (ElementDefinitionBaseComponent) other_;
      return compareDeep(path, o.path, true) && compareDeep(min, o.min, true) && compareDeep(max, o.max, true);
    }

    @Override
    public boolean equalsShallow(Base other_) {
      if (!super.equalsShallow(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionBaseComponent))
        return false;
      ElementDefinitionBaseComponent o = (ElementDefinitionBaseComponent) other_;
      return compareValues(path, o.path, true) && compareValues(min, o.min, true) && compareValues(max, o.max, true);
    }

    public boolean isEmpty() {
      return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(path, min, max);
    }

    public String fhirType() {
      return "ElementDefinition.base";

    }

  }

  @Block()
  public static class TypeRefComponent extends Element implements IBaseDatatypeElement {
    /**
     * URL of Data type or Resource that is a(or the) type used for this element.
     * References are URLs that are relative to
     * http://hl7.org/fhir/StructureDefinition e.g. "string" is a reference to
     * http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are only
     * allowed in logical models.
     */
    @Child(name = "code", type = { UriType.class }, order = 1, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Data type or Resource (reference to definition)", formalDefinition = "URL of Data type or Resource that is a(or the) type used for this element. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition e.g. \"string\" is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are only allowed in logical models.")
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/defined-types")
    protected UriType code;

    /**
     * Identifies a profile structure or implementation Guide that applies to the
     * datatype this element refers to. If any profiles are specified, then the
     * content must conform to at least one of them. The URL can be a local
     * reference - to a contained StructureDefinition, or a reference to another
     * StructureDefinition or Implementation Guide by a canonical URL. When an
     * implementation guide is specified, the type SHALL conform to at least one
     * profile defined in the implementation guide.
     */
    @Child(name = "profile", type = {
        CanonicalType.class }, order = 2, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
    @Description(shortDefinition = "Profiles (StructureDefinition or IG) - one must apply", formalDefinition = "Identifies a profile structure or implementation Guide that applies to the datatype this element refers to. If any profiles are specified, then the content must conform to at least one of them. The URL can be a local reference - to a contained StructureDefinition, or a reference to another StructureDefinition or Implementation Guide by a canonical URL. When an implementation guide is specified, the type SHALL conform to at least one profile defined in the implementation guide.")
    protected List<CanonicalType> profile;

    /**
     * Used when the type is "Reference" or "canonical", and identifies a profile
     * structure or implementation Guide that applies to the target of the reference
     * this element refers to. If any profiles are specified, then the content must
     * conform to at least one of them. The URL can be a local reference - to a
     * contained StructureDefinition, or a reference to another StructureDefinition
     * or Implementation Guide by a canonical URL. When an implementation guide is
     * specified, the target resource SHALL conform to at least one profile defined
     * in the implementation guide.
     */
    @Child(name = "targetProfile", type = {
        CanonicalType.class }, order = 3, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
    @Description(shortDefinition = "Profile (StructureDefinition or IG) on the Reference/canonical target - one must apply", formalDefinition = "Used when the type is \"Reference\" or \"canonical\", and identifies a profile structure or implementation Guide that applies to the target of the reference this element refers to. If any profiles are specified, then the content must conform to at least one of them. The URL can be a local reference - to a contained StructureDefinition, or a reference to another StructureDefinition or Implementation Guide by a canonical URL. When an implementation guide is specified, the target resource SHALL conform to at least one profile defined in the implementation guide.")
    protected List<CanonicalType> targetProfile;

    /**
     * If the type is a reference to another resource, how the resource is or can be
     * aggregated - is it a contained resource, or a reference, and if the context
     * is a bundle, is it included in the bundle.
     */
    @Child(name = "aggregation", type = {
        CodeType.class }, order = 4, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
    @Description(shortDefinition = "contained | referenced | bundled - how aggregated", formalDefinition = "If the type is a reference to another resource, how the resource is or can be aggregated - is it a contained resource, or a reference, and if the context is a bundle, is it included in the bundle.")
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/resource-aggregation-mode")
    protected List<Enumeration<AggregationMode>> aggregation;

    /**
     * Whether this reference needs to be version specific or version independent,
     * or whether either can be used.
     */
    @Child(name = "versioning", type = {
        CodeType.class }, order = 5, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "either | independent | specific", formalDefinition = "Whether this reference needs to be version specific or version independent, or whether either can be used.")
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/reference-version-rules")
    protected Enumeration<ReferenceVersionRules> versioning;

    private static final long serialVersionUID = 957891653L;

    /**
     * Constructor
     */
    public TypeRefComponent() {
      super();
    }

    /**
     * Constructor
     */
    public TypeRefComponent(UriType code) {
      super();
      this.code = code;
    }

    /**
     * @return {@link #code} (URL of Data type or Resource that is a(or the) type
     *         used for this element. References are URLs that are relative to
     *         http://hl7.org/fhir/StructureDefinition e.g. "string" is a reference
     *         to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are
     *         only allowed in logical models.). This is the underlying object with
     *         id, value and extensions. The accessor "getCode" gives direct access
     *         to the value
     */
    public UriType getCodeElement() {
      if (this.code == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create TypeRefComponent.code");
        else if (Configuration.doAutoCreate())
          this.code = new UriType(); // bb
      return this.code;
    }

    public boolean hasCodeElement() {
      return this.code != null && !this.code.isEmpty();
    }

    public boolean hasCode() {
      return this.code != null && !this.code.isEmpty();
    }

    /**
     * @param value {@link #code} (URL of Data type or Resource that is a(or the)
     *              type used for this element. References are URLs that are
     *              relative to http://hl7.org/fhir/StructureDefinition e.g.
     *              "string" is a reference to
     *              http://hl7.org/fhir/StructureDefinition/string. Absolute URLs
     *              are only allowed in logical models.). This is the underlying
     *              object with id, value and extensions. The accessor "getCode"
     *              gives direct access to the value
     */
    public TypeRefComponent setCodeElement(UriType value) {
      this.code = value;
      return this;
    }

    /**
     * @return URL of Data type or Resource that is a(or the) type used for this
     *         element. References are URLs that are relative to
     *         http://hl7.org/fhir/StructureDefinition e.g. "string" is a reference
     *         to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are
     *         only allowed in logical models.
     */
    public String getCode() {
      return this.code == null ? null : this.code.getValue();
    }

    /**
     * @param value URL of Data type or Resource that is a(or the) type used for
     *              this element. References are URLs that are relative to
     *              http://hl7.org/fhir/StructureDefinition e.g. "string" is a
     *              reference to http://hl7.org/fhir/StructureDefinition/string.
     *              Absolute URLs are only allowed in logical models.
     */
    public TypeRefComponent setCode(String value) {
      if (this.code == null)
        this.code = new UriType();
      this.code.setValue(value);
      return this;
    }

    /**
     * @return {@link #profile} (Identifies a profile structure or implementation
     *         Guide that applies to the datatype this element refers to. If any
     *         profiles are specified, then the content must conform to at least one
     *         of them. The URL can be a local reference - to a contained
     *         StructureDefinition, or a reference to another StructureDefinition or
     *         Implementation Guide by a canonical URL. When an implementation guide
     *         is specified, the type SHALL conform to at least one profile defined
     *         in the implementation guide.)
     */
    public List<CanonicalType> getProfile() {
      if (this.profile == null)
        this.profile = new ArrayList<CanonicalType>();
      return this.profile;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public TypeRefComponent setProfile(List<CanonicalType> theProfile) {
      this.profile = theProfile;
      return this;
    }

    public boolean hasProfile() {
      if (this.profile == null)
        return false;
      for (CanonicalType item : this.profile)
        if (!item.isEmpty())
          return true;
      return false;
    }

    /**
     * @return {@link #profile} (Identifies a profile structure or implementation
     *         Guide that applies to the datatype this element refers to. If any
     *         profiles are specified, then the content must conform to at least one
     *         of them. The URL can be a local reference - to a contained
     *         StructureDefinition, or a reference to another StructureDefinition or
     *         Implementation Guide by a canonical URL. When an implementation guide
     *         is specified, the type SHALL conform to at least one profile defined
     *         in the implementation guide.)
     */
    public CanonicalType addProfileElement() {// 2
      CanonicalType t = new CanonicalType();
      if (this.profile == null)
        this.profile = new ArrayList<CanonicalType>();
      this.profile.add(t);
      return t;
    }

    /**
     * @param value {@link #profile} (Identifies a profile structure or
     *              implementation Guide that applies to the datatype this element
     *              refers to. If any profiles are specified, then the content must
     *              conform to at least one of them. The URL can be a local
     *              reference - to a contained StructureDefinition, or a reference
     *              to another StructureDefinition or Implementation Guide by a
     *              canonical URL. When an implementation guide is specified, the
     *              type SHALL conform to at least one profile defined in the
     *              implementation guide.)
     */
    public TypeRefComponent addProfile(String value) { // 1
      CanonicalType t = new CanonicalType();
      t.setValue(value);
      if (this.profile == null)
        this.profile = new ArrayList<CanonicalType>();
      this.profile.add(t);
      return this;
    }

    /**
     * @param value {@link #profile} (Identifies a profile structure or
     *              implementation Guide that applies to the datatype this element
     *              refers to. If any profiles are specified, then the content must
     *              conform to at least one of them. The URL can be a local
     *              reference - to a contained StructureDefinition, or a reference
     *              to another StructureDefinition or Implementation Guide by a
     *              canonical URL. When an implementation guide is specified, the
     *              type SHALL conform to at least one profile defined in the
     *              implementation guide.)
     */
    public boolean hasProfile(String value) {
      if (this.profile == null)
        return false;
      for (CanonicalType v : this.profile)
        if (v.getValue().equals(value)) // canonical(StructureDefinition|ImplementationGuide)
          return true;
      return false;
    }

    /**
     * @return {@link #targetProfile} (Used when the type is "Reference" or
     *         "canonical", and identifies a profile structure or implementation
     *         Guide that applies to the target of the reference this element refers
     *         to. If any profiles are specified, then the content must conform to
     *         at least one of them. The URL can be a local reference - to a
     *         contained StructureDefinition, or a reference to another
     *         StructureDefinition or Implementation Guide by a canonical URL. When
     *         an implementation guide is specified, the target resource SHALL
     *         conform to at least one profile defined in the implementation guide.)
     */
    public List<CanonicalType> getTargetProfile() {
      if (this.targetProfile == null)
        this.targetProfile = new ArrayList<CanonicalType>();
      return this.targetProfile;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public TypeRefComponent setTargetProfile(List<CanonicalType> theTargetProfile) {
      this.targetProfile = theTargetProfile;
      return this;
    }

    public boolean hasTargetProfile() {
      if (this.targetProfile == null)
        return false;
      for (CanonicalType item : this.targetProfile)
        if (!item.isEmpty())
          return true;
      return false;
    }

    /**
     * @return {@link #targetProfile} (Used when the type is "Reference" or
     *         "canonical", and identifies a profile structure or implementation
     *         Guide that applies to the target of the reference this element refers
     *         to. If any profiles are specified, then the content must conform to
     *         at least one of them. The URL can be a local reference - to a
     *         contained StructureDefinition, or a reference to another
     *         StructureDefinition or Implementation Guide by a canonical URL. When
     *         an implementation guide is specified, the target resource SHALL
     *         conform to at least one profile defined in the implementation guide.)
     */
    public CanonicalType addTargetProfileElement() {// 2
      CanonicalType t = new CanonicalType();
      if (this.targetProfile == null)
        this.targetProfile = new ArrayList<CanonicalType>();
      this.targetProfile.add(t);
      return t;
    }

    /**
     * @param value {@link #targetProfile} (Used when the type is "Reference" or
     *              "canonical", and identifies a profile structure or
     *              implementation Guide that applies to the target of the reference
     *              this element refers to. If any profiles are specified, then the
     *              content must conform to at least one of them. The URL can be a
     *              local reference - to a contained StructureDefinition, or a
     *              reference to another StructureDefinition or Implementation Guide
     *              by a canonical URL. When an implementation guide is specified,
     *              the target resource SHALL conform to at least one profile
     *              defined in the implementation guide.)
     */
    public TypeRefComponent addTargetProfile(String value) { // 1
      CanonicalType t = new CanonicalType();
      t.setValue(value);
      if (this.targetProfile == null)
        this.targetProfile = new ArrayList<CanonicalType>();
      this.targetProfile.add(t);
      return this;
    }

    /**
     * @param value {@link #targetProfile} (Used when the type is "Reference" or
     *              "canonical", and identifies a profile structure or
     *              implementation Guide that applies to the target of the reference
     *              this element refers to. If any profiles are specified, then the
     *              content must conform to at least one of them. The URL can be a
     *              local reference - to a contained StructureDefinition, or a
     *              reference to another StructureDefinition or Implementation Guide
     *              by a canonical URL. When an implementation guide is specified,
     *              the target resource SHALL conform to at least one profile
     *              defined in the implementation guide.)
     */
    public boolean hasTargetProfile(String value) {
      if (this.targetProfile == null)
        return false;
      for (CanonicalType v : this.targetProfile)
        if (v.getValue().equals(value)) // canonical(StructureDefinition|ImplementationGuide)
          return true;
      return false;
    }

    /**
     * @return {@link #aggregation} (If the type is a reference to another resource,
     *         how the resource is or can be aggregated - is it a contained
     *         resource, or a reference, and if the context is a bundle, is it
     *         included in the bundle.)
     */
    public List<Enumeration<AggregationMode>> getAggregation() {
      if (this.aggregation == null)
        this.aggregation = new ArrayList<Enumeration<AggregationMode>>();
      return this.aggregation;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public TypeRefComponent setAggregation(List<Enumeration<AggregationMode>> theAggregation) {
      this.aggregation = theAggregation;
      return this;
    }

    public boolean hasAggregation() {
      if (this.aggregation == null)
        return false;
      for (Enumeration<AggregationMode> item : this.aggregation)
        if (!item.isEmpty())
          return true;
      return false;
    }

    /**
     * @return {@link #aggregation} (If the type is a reference to another resource,
     *         how the resource is or can be aggregated - is it a contained
     *         resource, or a reference, and if the context is a bundle, is it
     *         included in the bundle.)
     */
    public Enumeration<AggregationMode> addAggregationElement() {// 2
      Enumeration<AggregationMode> t = new Enumeration<AggregationMode>(new AggregationModeEnumFactory());
      if (this.aggregation == null)
        this.aggregation = new ArrayList<Enumeration<AggregationMode>>();
      this.aggregation.add(t);
      return t;
    }

    /**
     * @param value {@link #aggregation} (If the type is a reference to another
     *              resource, how the resource is or can be aggregated - is it a
     *              contained resource, or a reference, and if the context is a
     *              bundle, is it included in the bundle.)
     */
    public TypeRefComponent addAggregation(AggregationMode value) { // 1
      Enumeration<AggregationMode> t = new Enumeration<AggregationMode>(new AggregationModeEnumFactory());
      t.setValue(value);
      if (this.aggregation == null)
        this.aggregation = new ArrayList<Enumeration<AggregationMode>>();
      this.aggregation.add(t);
      return this;
    }

    /**
     * @param value {@link #aggregation} (If the type is a reference to another
     *              resource, how the resource is or can be aggregated - is it a
     *              contained resource, or a reference, and if the context is a
     *              bundle, is it included in the bundle.)
     */
    public boolean hasAggregation(AggregationMode value) {
      if (this.aggregation == null)
        return false;
      for (Enumeration<AggregationMode> v : this.aggregation)
        if (v.getValue().equals(value)) // code
          return true;
      return false;
    }

    /**
     * @return {@link #versioning} (Whether this reference needs to be version
     *         specific or version independent, or whether either can be used.).
     *         This is the underlying object with id, value and extensions. The
     *         accessor "getVersioning" gives direct access to the value
     */
    public Enumeration<ReferenceVersionRules> getVersioningElement() {
      if (this.versioning == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create TypeRefComponent.versioning");
        else if (Configuration.doAutoCreate())
          this.versioning = new Enumeration<ReferenceVersionRules>(new ReferenceVersionRulesEnumFactory()); // bb
      return this.versioning;
    }

    public boolean hasVersioningElement() {
      return this.versioning != null && !this.versioning.isEmpty();
    }

    public boolean hasVersioning() {
      return this.versioning != null && !this.versioning.isEmpty();
    }

    /**
     * @param value {@link #versioning} (Whether this reference needs to be version
     *              specific or version independent, or whether either can be
     *              used.). This is the underlying object with id, value and
     *              extensions. The accessor "getVersioning" gives direct access to
     *              the value
     */
    public TypeRefComponent setVersioningElement(Enumeration<ReferenceVersionRules> value) {
      this.versioning = value;
      return this;
    }

    /**
     * @return Whether this reference needs to be version specific or version
     *         independent, or whether either can be used.
     */
    public ReferenceVersionRules getVersioning() {
      return this.versioning == null ? null : this.versioning.getValue();
    }

    /**
     * @param value Whether this reference needs to be version specific or version
     *              independent, or whether either can be used.
     */
    public TypeRefComponent setVersioning(ReferenceVersionRules value) {
      if (value == null)
        this.versioning = null;
      else {
        if (this.versioning == null)
          this.versioning = new Enumeration<ReferenceVersionRules>(new ReferenceVersionRulesEnumFactory());
        this.versioning.setValue(value);
      }
      return this;
    }

    protected void listChildren(List<Property> children) {
      super.listChildren(children);
      children.add(new Property("code", "uri",
          "URL of Data type or Resource that is a(or the) type used for this element. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition e.g. \"string\" is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are only allowed in logical models.",
          0, 1, code));
      children.add(new Property("profile", "canonical(StructureDefinition|ImplementationGuide)",
          "Identifies a profile structure or implementation Guide that applies to the datatype this element refers to. If any profiles are specified, then the content must conform to at least one of them. The URL can be a local reference - to a contained StructureDefinition, or a reference to another StructureDefinition or Implementation Guide by a canonical URL. When an implementation guide is specified, the type SHALL conform to at least one profile defined in the implementation guide.",
          0, java.lang.Integer.MAX_VALUE, profile));
      children.add(new Property("targetProfile", "canonical(StructureDefinition|ImplementationGuide)",
          "Used when the type is \"Reference\" or \"canonical\", and identifies a profile structure or implementation Guide that applies to the target of the reference this element refers to. If any profiles are specified, then the content must conform to at least one of them. The URL can be a local reference - to a contained StructureDefinition, or a reference to another StructureDefinition or Implementation Guide by a canonical URL. When an implementation guide is specified, the target resource SHALL conform to at least one profile defined in the implementation guide.",
          0, java.lang.Integer.MAX_VALUE, targetProfile));
      children.add(new Property("aggregation", "code",
          "If the type is a reference to another resource, how the resource is or can be aggregated - is it a contained resource, or a reference, and if the context is a bundle, is it included in the bundle.",
          0, java.lang.Integer.MAX_VALUE, aggregation));
      children.add(new Property("versioning", "code",
          "Whether this reference needs to be version specific or version independent, or whether either can be used.",
          0, 1, versioning));
    }

    @Override
    public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
      switch (_hash) {
      case 3059181:
        /* code */ return new Property("code", "uri",
            "URL of Data type or Resource that is a(or the) type used for this element. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition e.g. \"string\" is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are only allowed in logical models.",
            0, 1, code);
      case -309425751:
        /* profile */ return new Property("profile", "canonical(StructureDefinition|ImplementationGuide)",
            "Identifies a profile structure or implementation Guide that applies to the datatype this element refers to. If any profiles are specified, then the content must conform to at least one of them. The URL can be a local reference - to a contained StructureDefinition, or a reference to another StructureDefinition or Implementation Guide by a canonical URL. When an implementation guide is specified, the type SHALL conform to at least one profile defined in the implementation guide.",
            0, java.lang.Integer.MAX_VALUE, profile);
      case 1994521304:
        /* targetProfile */ return new Property("targetProfile", "canonical(StructureDefinition|ImplementationGuide)",
            "Used when the type is \"Reference\" or \"canonical\", and identifies a profile structure or implementation Guide that applies to the target of the reference this element refers to. If any profiles are specified, then the content must conform to at least one of them. The URL can be a local reference - to a contained StructureDefinition, or a reference to another StructureDefinition or Implementation Guide by a canonical URL. When an implementation guide is specified, the target resource SHALL conform to at least one profile defined in the implementation guide.",
            0, java.lang.Integer.MAX_VALUE, targetProfile);
      case 841524962:
        /* aggregation */ return new Property("aggregation", "code",
            "If the type is a reference to another resource, how the resource is or can be aggregated - is it a contained resource, or a reference, and if the context is a bundle, is it included in the bundle.",
            0, java.lang.Integer.MAX_VALUE, aggregation);
      case -670487542:
        /* versioning */ return new Property("versioning", "code",
            "Whether this reference needs to be version specific or version independent, or whether either can be used.",
            0, 1, versioning);
      default:
        return super.getNamedProperty(_hash, _name, _checkValid);
      }

    }

    @Override
    public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
      switch (hash) {
      case 3059181:
        /* code */ return this.code == null ? new Base[0] : new Base[] { this.code }; // UriType
      case -309425751:
        /* profile */ return this.profile == null ? new Base[0] : this.profile.toArray(new Base[this.profile.size()]); // CanonicalType
      case 1994521304:
        /* targetProfile */ return this.targetProfile == null ? new Base[0]
            : this.targetProfile.toArray(new Base[this.targetProfile.size()]); // CanonicalType
      case 841524962:
        /* aggregation */ return this.aggregation == null ? new Base[0]
            : this.aggregation.toArray(new Base[this.aggregation.size()]); // Enumeration<AggregationMode>
      case -670487542:
        /* versioning */ return this.versioning == null ? new Base[0] : new Base[] { this.versioning }; // Enumeration<ReferenceVersionRules>
      default:
        return super.getProperty(hash, name, checkValid);
      }

    }

    @Override
    public Base setProperty(int hash, String name, Base value) throws FHIRException {
      switch (hash) {
      case 3059181: // code
        this.code = castToUri(value); // UriType
        return value;
      case -309425751: // profile
        this.getProfile().add(castToCanonical(value)); // CanonicalType
        return value;
      case 1994521304: // targetProfile
        this.getTargetProfile().add(castToCanonical(value)); // CanonicalType
        return value;
      case 841524962: // aggregation
        value = new AggregationModeEnumFactory().fromType(castToCode(value));
        this.getAggregation().add((Enumeration) value); // Enumeration<AggregationMode>
        return value;
      case -670487542: // versioning
        value = new ReferenceVersionRulesEnumFactory().fromType(castToCode(value));
        this.versioning = (Enumeration) value; // Enumeration<ReferenceVersionRules>
        return value;
      default:
        return super.setProperty(hash, name, value);
      }

    }

    @Override
    public Base setProperty(String name, Base value) throws FHIRException {
      if (name.equals("code")) {
        this.code = castToUri(value); // UriType
      } else if (name.equals("profile")) {
        this.getProfile().add(castToCanonical(value));
      } else if (name.equals("targetProfile")) {
        this.getTargetProfile().add(castToCanonical(value));
      } else if (name.equals("aggregation")) {
        value = new AggregationModeEnumFactory().fromType(castToCode(value));
        this.getAggregation().add((Enumeration) value);
      } else if (name.equals("versioning")) {
        value = new ReferenceVersionRulesEnumFactory().fromType(castToCode(value));
        this.versioning = (Enumeration) value; // Enumeration<ReferenceVersionRules>
      } else
        return super.setProperty(name, value);
      return value;
    }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
      if (name.equals("code")) {
        this.code = null;
      } else if (name.equals("profile")) {
        this.getProfile().remove(castToCanonical(value));
      } else if (name.equals("targetProfile")) {
        this.getTargetProfile().remove(castToCanonical(value));
      } else if (name.equals("aggregation")) {
        this.getAggregation().remove((Enumeration) value);
      } else if (name.equals("versioning")) {
        value = null;
        this.versioning = (Enumeration) value; // Enumeration<ReferenceVersionRules>
      } else
        super.removeChild(name, value);
      
    }

    @Override
    public Base makeProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 3059181:
        return getCodeElement();
      case -309425751:
        return addProfileElement();
      case 1994521304:
        return addTargetProfileElement();
      case 841524962:
        return addAggregationElement();
      case -670487542:
        return getVersioningElement();
      default:
        return super.makeProperty(hash, name);
      }

    }

    @Override
    public String[] getTypesForProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 3059181:
        /* code */ return new String[] { "uri" };
      case -309425751:
        /* profile */ return new String[] { "canonical" };
      case 1994521304:
        /* targetProfile */ return new String[] { "canonical" };
      case 841524962:
        /* aggregation */ return new String[] { "code" };
      case -670487542:
        /* versioning */ return new String[] { "code" };
      default:
        return super.getTypesForProperty(hash, name);
      }

    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("code")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.code");
      } else if (name.equals("profile")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.profile");
      } else if (name.equals("targetProfile")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.targetProfile");
      } else if (name.equals("aggregation")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.aggregation");
      } else if (name.equals("versioning")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.versioning");
      } else
        return super.addChild(name);
    }

    public TypeRefComponent copy() {
      TypeRefComponent dst = new TypeRefComponent();
      copyValues(dst);
      return dst;
    }

    public void copyValues(TypeRefComponent dst) {
      super.copyValues(dst);
      dst.code = code == null ? null : code.copy();
      if (profile != null) {
        dst.profile = new ArrayList<CanonicalType>();
        for (CanonicalType i : profile)
          dst.profile.add(i.copy());
      }
      ;
      if (targetProfile != null) {
        dst.targetProfile = new ArrayList<CanonicalType>();
        for (CanonicalType i : targetProfile)
          dst.targetProfile.add(i.copy());
      }
      ;
      if (aggregation != null) {
        dst.aggregation = new ArrayList<Enumeration<AggregationMode>>();
        for (Enumeration<AggregationMode> i : aggregation)
          dst.aggregation.add(i.copy());
      }
      ;
      dst.versioning = versioning == null ? null : versioning.copy();
    }

    @Override
    public boolean equalsDeep(Base other_) {
      if (!super.equalsDeep(other_))
        return false;
      if (!(other_ instanceof TypeRefComponent))
        return false;
      TypeRefComponent o = (TypeRefComponent) other_;
      return compareDeep(code, o.code, true) && compareDeep(profile, o.profile, true)
          && compareDeep(targetProfile, o.targetProfile, true) && compareDeep(aggregation, o.aggregation, true)
          && compareDeep(versioning, o.versioning, true);
    }

    @Override
    public boolean equalsShallow(Base other_) {
      if (!super.equalsShallow(other_))
        return false;
      if (!(other_ instanceof TypeRefComponent))
        return false;
      TypeRefComponent o = (TypeRefComponent) other_;
      return compareValues(code, o.code, true) && compareValues(aggregation, o.aggregation, true)
          && compareValues(versioning, o.versioning, true);
    }

    public boolean isEmpty() {
      return super.isEmpty()
          && ca.uhn.fhir.util.ElementUtil.isEmpty(code, profile, targetProfile, aggregation, versioning);
    }

    public String fhirType() {
      return "ElementDefinition.type";

    }

// added from java-adornments.txt:

    public boolean hasTarget() {
      return Utilities.existsInList(getCode(), "Reference", "canonical");
    }

    /**
     * This code checks for the system prefix and returns the FHIR type
     * 
     * @return
     */
    public String getWorkingCode() {
      if (hasExtension(ToolingExtensions.EXT_FHIR_TYPE))
        return getExtensionString(ToolingExtensions.EXT_FHIR_TYPE);
      if (!hasCodeElement())
        return null;
      if (getCodeElement().hasExtension(ToolingExtensions.EXT_XML_TYPE)) {
        String s = getCodeElement().getExtensionString(ToolingExtensions.EXT_XML_TYPE);
        if ("xsd:gYear OR xsd:gYearMonth OR xsd:date OR xsd:dateTime".equals(s))
          return "dateTime";
        if ("xsd:gYear OR xsd:gYearMonth OR xsd:date".equals(s))
          return "date";
        if ("xsd:dateTime".equals(s))
          return "instant";
        if ("xsd:token".equals(s))
          return "code";
        if ("xsd:boolean".equals(s))
          return "boolean";
        if ("xsd:string".equals(s))
          return "string";
        if ("xsd:time".equals(s))
          return "time";
        if ("xsd:int".equals(s))
          return "integer";
        if ("xsd:decimal OR xsd:double".equals(s))
          return "decimal";
        if ("xsd:base64Binary".equals(s))
          return "base64Binary";
        if ("xsd:positiveInteger".equals(s))
          return "positiveInt";
        if ("xsd:nonNegativeInteger".equals(s))
          return "unsignedInt";
        if ("xsd:anyURI".equals(s))
          return "uri";

        throw new Error("Unknown xml type '" + s + "'");
      }
      return getCode();
    }

// end addition
  }

  @Block()
  public static class ElementDefinitionExampleComponent extends Element implements IBaseDatatypeElement {
    /**
     * Describes the purpose of this example amoung the set of examples.
     */
    @Child(name = "label", type = { StringType.class }, order = 1, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Describes the purpose of this example", formalDefinition = "Describes the purpose of this example amoung the set of examples.")
    protected StringType label;

    /**
     * The actual value for the element, which must be one of the types allowed for
     * this element.
     */
    @Child(name = "value", type = {}, order = 2, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Value of Example (one of allowed types)", formalDefinition = "The actual value for the element, which must be one of the types allowed for this element.")
    protected org.hl7.fhir.r4.model.Type value;

    private static final long serialVersionUID = 457572481L;

    /**
     * Constructor
     */
    public ElementDefinitionExampleComponent() {
      super();
    }

    /**
     * Constructor
     */
    public ElementDefinitionExampleComponent(StringType label, org.hl7.fhir.r4.model.Type value) {
      super();
      this.label = label;
      this.value = value;
    }

    /**
     * @return {@link #label} (Describes the purpose of this example amoung the set
     *         of examples.). This is the underlying object with id, value and
     *         extensions. The accessor "getLabel" gives direct access to the value
     */
    public StringType getLabelElement() {
      if (this.label == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionExampleComponent.label");
        else if (Configuration.doAutoCreate())
          this.label = new StringType(); // bb
      return this.label;
    }

    public boolean hasLabelElement() {
      return this.label != null && !this.label.isEmpty();
    }

    public boolean hasLabel() {
      return this.label != null && !this.label.isEmpty();
    }

    /**
     * @param value {@link #label} (Describes the purpose of this example amoung the
     *              set of examples.). This is the underlying object with id, value
     *              and extensions. The accessor "getLabel" gives direct access to
     *              the value
     */
    public ElementDefinitionExampleComponent setLabelElement(StringType value) {
      this.label = value;
      return this;
    }

    /**
     * @return Describes the purpose of this example amoung the set of examples.
     */
    public String getLabel() {
      return this.label == null ? null : this.label.getValue();
    }

    /**
     * @param value Describes the purpose of this example amoung the set of
     *              examples.
     */
    public ElementDefinitionExampleComponent setLabel(String value) {
      if (this.label == null)
        this.label = new StringType();
      this.label.setValue(value);
      return this;
    }

    /**
     * @return {@link #value} (The actual value for the element, which must be one
     *         of the types allowed for this element.)
     */
    public org.hl7.fhir.r4.model.Type getValue() {
      return this.value;
    }

    public boolean hasValue() {
      return this.value != null && !this.value.isEmpty();
    }

    /**
     * @param value {@link #value} (The actual value for the element, which must be
     *              one of the types allowed for this element.)
     */
    public ElementDefinitionExampleComponent setValue(org.hl7.fhir.r4.model.Type value) {
      this.value = value;
      return this;
    }

    protected void listChildren(List<Property> children) {
      super.listChildren(children);
      children.add(new Property("label", "string", "Describes the purpose of this example amoung the set of examples.",
          0, 1, label));
      children.add(new Property("value[x]", "*",
          "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value));
    }

    @Override
    public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
      switch (_hash) {
      case 102727412:
        /* label */ return new Property("label", "string",
            "Describes the purpose of this example amoung the set of examples.", 0, 1, label);
      case -1410166417:
        /* value[x] */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 111972721:
        /* value */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1535024575:
        /* valueBase64Binary */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 733421943:
        /* valueBoolean */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -786218365:
        /* valueCanonical */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -766209282:
        /* valueCode */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -766192449:
        /* valueDate */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 1047929900:
        /* valueDateTime */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -2083993440:
        /* valueDecimal */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 231604844:
        /* valueId */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1668687056:
        /* valueInstant */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1668204915:
        /* valueInteger */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -497880704:
        /* valueMarkdown */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1410178407:
        /* valueOid */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1249932027:
        /* valuePositiveInt */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1424603934:
        /* valueString */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -765708322:
        /* valueTime */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 26529417:
        /* valueUnsignedInt */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1410172357:
        /* valueUri */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1410172354:
        /* valueUrl */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -765667124:
        /* valueUuid */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -478981821:
        /* valueAddress */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -67108992:
        /* valueAnnotation */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -475566732:
        /* valueAttachment */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 924902896:
        /* valueCodeableConcept */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1887705029:
        /* valueCoding */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 944904545:
        /* valueContactPoint */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -2026205465:
        /* valueHumanName */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -130498310:
        /* valueIdentifier */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1524344174:
        /* valuePeriod */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -2029823716:
        /* valueQuantity */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 2030761548:
        /* valueRange */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 2030767386:
        /* valueRatio */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case 1755241690:
        /* valueReference */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -962229101:
        /* valueSampledData */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -540985785:
        /* valueSignature */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1406282469:
        /* valueTiming */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      case -1858636920:
        /* valueDosage */ return new Property("value[x]", "*",
            "The actual value for the element, which must be one of the types allowed for this element.", 0, 1, value);
      default:
        return super.getNamedProperty(_hash, _name, _checkValid);
      }

    }

    @Override
    public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
      switch (hash) {
      case 102727412:
        /* label */ return this.label == null ? new Base[0] : new Base[] { this.label }; // StringType
      case 111972721:
        /* value */ return this.value == null ? new Base[0] : new Base[] { this.value }; // org.hl7.fhir.r4.model.Type
      default:
        return super.getProperty(hash, name, checkValid);
      }

    }

    @Override
    public Base setProperty(int hash, String name, Base value) throws FHIRException {
      switch (hash) {
      case 102727412: // label
        this.label = castToString(value); // StringType
        return value;
      case 111972721: // value
        this.value = castToType(value); // org.hl7.fhir.r4.model.Type
        return value;
      default:
        return super.setProperty(hash, name, value);
      }

    }

    @Override
    public Base setProperty(String name, Base value) throws FHIRException {
      if (name.equals("label")) {
        this.label = castToString(value); // StringType
      } else if (name.equals("value[x]")) {
        this.value = castToType(value); // org.hl7.fhir.r4.model.Type
      } else
        return super.setProperty(name, value);
      return value;
    }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
      if (name.equals("label")) {
        this.label = null;
      } else if (name.equals("value[x]")) {
        this.value = null;
      } else
        super.removeChild(name, value);
      
    }

    @Override
    public Base makeProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 102727412:
        return getLabelElement();
      case -1410166417:
        return getValue();
      case 111972721:
        return getValue();
      default:
        return super.makeProperty(hash, name);
      }

    }

    @Override
    public String[] getTypesForProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 102727412:
        /* label */ return new String[] { "string" };
      case 111972721:
        /* value */ return new String[] { "*" };
      default:
        return super.getTypesForProperty(hash, name);
      }

    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("label")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.label");
      } else if (name.equals("valueBase64Binary")) {
        this.value = new Base64BinaryType();
        return this.value;
      } else if (name.equals("valueBoolean")) {
        this.value = new BooleanType();
        return this.value;
      } else if (name.equals("valueCanonical")) {
        this.value = new CanonicalType();
        return this.value;
      } else if (name.equals("valueCode")) {
        this.value = new CodeType();
        return this.value;
      } else if (name.equals("valueDate")) {
        this.value = new DateType();
        return this.value;
      } else if (name.equals("valueDateTime")) {
        this.value = new DateTimeType();
        return this.value;
      } else if (name.equals("valueDecimal")) {
        this.value = new DecimalType();
        return this.value;
      } else if (name.equals("valueId")) {
        this.value = new IdType();
        return this.value;
      } else if (name.equals("valueInstant")) {
        this.value = new InstantType();
        return this.value;
      } else if (name.equals("valueInteger")) {
        this.value = new IntegerType();
        return this.value;
      } else if (name.equals("valueMarkdown")) {
        this.value = new MarkdownType();
        return this.value;
      } else if (name.equals("valueOid")) {
        this.value = new OidType();
        return this.value;
      } else if (name.equals("valuePositiveInt")) {
        this.value = new PositiveIntType();
        return this.value;
      } else if (name.equals("valueString")) {
        this.value = new StringType();
        return this.value;
      } else if (name.equals("valueTime")) {
        this.value = new TimeType();
        return this.value;
      } else if (name.equals("valueUnsignedInt")) {
        this.value = new UnsignedIntType();
        return this.value;
      } else if (name.equals("valueUri")) {
        this.value = new UriType();
        return this.value;
      } else if (name.equals("valueUrl")) {
        this.value = new UrlType();
        return this.value;
      } else if (name.equals("valueUuid")) {
        this.value = new UuidType();
        return this.value;
      } else if (name.equals("valueAddress")) {
        this.value = new Address();
        return this.value;
      } else if (name.equals("valueAge")) {
        this.value = new Age();
        return this.value;
      } else if (name.equals("valueAnnotation")) {
        this.value = new Annotation();
        return this.value;
      } else if (name.equals("valueAttachment")) {
        this.value = new Attachment();
        return this.value;
      } else if (name.equals("valueCodeableConcept")) {
        this.value = new CodeableConcept();
        return this.value;
      } else if (name.equals("valueCoding")) {
        this.value = new Coding();
        return this.value;
      } else if (name.equals("valueContactPoint")) {
        this.value = new ContactPoint();
        return this.value;
      } else if (name.equals("valueCount")) {
        this.value = new Count();
        return this.value;
      } else if (name.equals("valueDistance")) {
        this.value = new Distance();
        return this.value;
      } else if (name.equals("valueDuration")) {
        this.value = new Duration();
        return this.value;
      } else if (name.equals("valueHumanName")) {
        this.value = new HumanName();
        return this.value;
      } else if (name.equals("valueIdentifier")) {
        this.value = new Identifier();
        return this.value;
      } else if (name.equals("valueMoney")) {
        this.value = new Money();
        return this.value;
      } else if (name.equals("valuePeriod")) {
        this.value = new Period();
        return this.value;
      } else if (name.equals("valueQuantity")) {
        this.value = new Quantity();
        return this.value;
      } else if (name.equals("valueRange")) {
        this.value = new Range();
        return this.value;
      } else if (name.equals("valueRatio")) {
        this.value = new Ratio();
        return this.value;
      } else if (name.equals("valueReference")) {
        this.value = new Reference();
        return this.value;
      } else if (name.equals("valueSampledData")) {
        this.value = new SampledData();
        return this.value;
      } else if (name.equals("valueSignature")) {
        this.value = new Signature();
        return this.value;
      } else if (name.equals("valueTiming")) {
        this.value = new Timing();
        return this.value;
      } else if (name.equals("valueContactDetail")) {
        this.value = new ContactDetail();
        return this.value;
      } else if (name.equals("valueContributor")) {
        this.value = new Contributor();
        return this.value;
      } else if (name.equals("valueDataRequirement")) {
        this.value = new DataRequirement();
        return this.value;
      } else if (name.equals("valueExpression")) {
        this.value = new Expression();
        return this.value;
      } else if (name.equals("valueParameterDefinition")) {
        this.value = new ParameterDefinition();
        return this.value;
      } else if (name.equals("valueRelatedArtifact")) {
        this.value = new RelatedArtifact();
        return this.value;
      } else if (name.equals("valueTriggerDefinition")) {
        this.value = new TriggerDefinition();
        return this.value;
      } else if (name.equals("valueUsageContext")) {
        this.value = new UsageContext();
        return this.value;
      } else if (name.equals("valueDosage")) {
        this.value = new Dosage();
        return this.value;
      } else if (name.equals("valueMeta")) {
        this.value = new Meta();
        return this.value;
      } else
        return super.addChild(name);
    }

    public ElementDefinitionExampleComponent copy() {
      ElementDefinitionExampleComponent dst = new ElementDefinitionExampleComponent();
      copyValues(dst);
      return dst;
    }

    public void copyValues(ElementDefinitionExampleComponent dst) {
      super.copyValues(dst);
      dst.label = label == null ? null : label.copy();
      dst.value = value == null ? null : value.copy();
    }

    @Override
    public boolean equalsDeep(Base other_) {
      if (!super.equalsDeep(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionExampleComponent))
        return false;
      ElementDefinitionExampleComponent o = (ElementDefinitionExampleComponent) other_;
      return compareDeep(label, o.label, true) && compareDeep(value, o.value, true);
    }

    @Override
    public boolean equalsShallow(Base other_) {
      if (!super.equalsShallow(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionExampleComponent))
        return false;
      ElementDefinitionExampleComponent o = (ElementDefinitionExampleComponent) other_;
      return compareValues(label, o.label, true);
    }

    public boolean isEmpty() {
      return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(label, value);
    }

    public String fhirType() {
      return "ElementDefinition.example";

    }

  }

  @Block()
  public static class ElementDefinitionConstraintComponent extends Element implements IBaseDatatypeElement {
    /**
     * Allows identification of which elements have their cardinalities impacted by
     * the constraint. Will not be referenced for constraints that do not affect
     * cardinality.
     */
    @Child(name = "key", type = { IdType.class }, order = 1, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Target of 'condition' reference above", formalDefinition = "Allows identification of which elements have their cardinalities impacted by the constraint.  Will not be referenced for constraints that do not affect cardinality.")
    protected IdType key;

    /**
     * Description of why this constraint is necessary or appropriate.
     */
    @Child(name = "requirements", type = {
        StringType.class }, order = 2, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Why this constraint is necessary or appropriate", formalDefinition = "Description of why this constraint is necessary or appropriate.")
    protected StringType requirements;

    /**
     * Identifies the impact constraint violation has on the conformance of the
     * instance.
     */
    @Child(name = "severity", type = { CodeType.class }, order = 3, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "error | warning", formalDefinition = "Identifies the impact constraint violation has on the conformance of the instance.")
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/constraint-severity")
    protected Enumeration<ConstraintSeverity> severity;

    /**
     * Text that can be used to describe the constraint in messages identifying that
     * the constraint has been violated.
     */
    @Child(name = "human", type = { StringType.class }, order = 4, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Human description of constraint", formalDefinition = "Text that can be used to describe the constraint in messages identifying that the constraint has been violated.")
    protected StringType human;

    /**
     * A [FHIRPath](fhirpath.html) expression of constraint that can be executed to
     * see if this constraint is met.
     */
    @Child(name = "expression", type = {
        StringType.class }, order = 5, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "FHIRPath expression of constraint", formalDefinition = "A [FHIRPath](fhirpath.html) expression of constraint that can be executed to see if this constraint is met.")
    protected StringType expression;

    /**
     * An XPath expression of constraint that can be executed to see if this
     * constraint is met.
     */
    @Child(name = "xpath", type = { StringType.class }, order = 6, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "XPath expression of constraint", formalDefinition = "An XPath expression of constraint that can be executed to see if this constraint is met.")
    protected StringType xpath;

    /**
     * A reference to the original source of the constraint, for traceability
     * purposes.
     */
    @Child(name = "source", type = {
        CanonicalType.class }, order = 7, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Reference to original source of constraint", formalDefinition = "A reference to the original source of the constraint, for traceability purposes.")
    protected CanonicalType source;

    private static final long serialVersionUID = 1048354565L;

    /**
     * Constructor
     */
    public ElementDefinitionConstraintComponent() {
      super();
    }

    /**
     * Constructor
     */
    public ElementDefinitionConstraintComponent(IdType key, Enumeration<ConstraintSeverity> severity,
        StringType human) {
      super();
      this.key = key;
      this.severity = severity;
      this.human = human;
    }

    /**
     * @return {@link #key} (Allows identification of which elements have their
     *         cardinalities impacted by the constraint. Will not be referenced for
     *         constraints that do not affect cardinality.). This is the underlying
     *         object with id, value and extensions. The accessor "getKey" gives
     *         direct access to the value
     */
    public IdType getKeyElement() {
      if (this.key == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionConstraintComponent.key");
        else if (Configuration.doAutoCreate())
          this.key = new IdType(); // bb
      return this.key;
    }

    public boolean hasKeyElement() {
      return this.key != null && !this.key.isEmpty();
    }

    public boolean hasKey() {
      return this.key != null && !this.key.isEmpty();
    }

    /**
     * @param value {@link #key} (Allows identification of which elements have their
     *              cardinalities impacted by the constraint. Will not be referenced
     *              for constraints that do not affect cardinality.). This is the
     *              underlying object with id, value and extensions. The accessor
     *              "getKey" gives direct access to the value
     */
    public ElementDefinitionConstraintComponent setKeyElement(IdType value) {
      this.key = value;
      return this;
    }

    /**
     * @return Allows identification of which elements have their cardinalities
     *         impacted by the constraint. Will not be referenced for constraints
     *         that do not affect cardinality.
     */
    public String getKey() {
      return this.key == null ? null : this.key.getValue();
    }

    /**
     * @param value Allows identification of which elements have their cardinalities
     *              impacted by the constraint. Will not be referenced for
     *              constraints that do not affect cardinality.
     */
    public ElementDefinitionConstraintComponent setKey(String value) {
      if (this.key == null)
        this.key = new IdType();
      this.key.setValue(value);
      return this;
    }

    /**
     * @return {@link #requirements} (Description of why this constraint is
     *         necessary or appropriate.). This is the underlying object with id,
     *         value and extensions. The accessor "getRequirements" gives direct
     *         access to the value
     */
    public StringType getRequirementsElement() {
      if (this.requirements == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionConstraintComponent.requirements");
        else if (Configuration.doAutoCreate())
          this.requirements = new StringType(); // bb
      return this.requirements;
    }

    public boolean hasRequirementsElement() {
      return this.requirements != null && !this.requirements.isEmpty();
    }

    public boolean hasRequirements() {
      return this.requirements != null && !this.requirements.isEmpty();
    }

    /**
     * @param value {@link #requirements} (Description of why this constraint is
     *              necessary or appropriate.). This is the underlying object with
     *              id, value and extensions. The accessor "getRequirements" gives
     *              direct access to the value
     */
    public ElementDefinitionConstraintComponent setRequirementsElement(StringType value) {
      this.requirements = value;
      return this;
    }

    /**
     * @return Description of why this constraint is necessary or appropriate.
     */
    public String getRequirements() {
      return this.requirements == null ? null : this.requirements.getValue();
    }

    /**
     * @param value Description of why this constraint is necessary or appropriate.
     */
    public ElementDefinitionConstraintComponent setRequirements(String value) {
      if (Utilities.noString(value))
        this.requirements = null;
      else {
        if (this.requirements == null)
          this.requirements = new StringType();
        this.requirements.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #severity} (Identifies the impact constraint violation has on
     *         the conformance of the instance.). This is the underlying object with
     *         id, value and extensions. The accessor "getSeverity" gives direct
     *         access to the value
     */
    public Enumeration<ConstraintSeverity> getSeverityElement() {
      if (this.severity == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionConstraintComponent.severity");
        else if (Configuration.doAutoCreate())
          this.severity = new Enumeration<ConstraintSeverity>(new ConstraintSeverityEnumFactory()); // bb
      return this.severity;
    }

    public boolean hasSeverityElement() {
      return this.severity != null && !this.severity.isEmpty();
    }

    public boolean hasSeverity() {
      return this.severity != null && !this.severity.isEmpty();
    }

    /**
     * @param value {@link #severity} (Identifies the impact constraint violation
     *              has on the conformance of the instance.). This is the underlying
     *              object with id, value and extensions. The accessor "getSeverity"
     *              gives direct access to the value
     */
    public ElementDefinitionConstraintComponent setSeverityElement(Enumeration<ConstraintSeverity> value) {
      this.severity = value;
      return this;
    }

    /**
     * @return Identifies the impact constraint violation has on the conformance of
     *         the instance.
     */
    public ConstraintSeverity getSeverity() {
      return this.severity == null ? null : this.severity.getValue();
    }

    /**
     * @param value Identifies the impact constraint violation has on the
     *              conformance of the instance.
     */
    public ElementDefinitionConstraintComponent setSeverity(ConstraintSeverity value) {
      if (this.severity == null)
        this.severity = new Enumeration<ConstraintSeverity>(new ConstraintSeverityEnumFactory());
      this.severity.setValue(value);
      return this;
    }

    /**
     * @return {@link #human} (Text that can be used to describe the constraint in
     *         messages identifying that the constraint has been violated.). This is
     *         the underlying object with id, value and extensions. The accessor
     *         "getHuman" gives direct access to the value
     */
    public StringType getHumanElement() {
      if (this.human == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionConstraintComponent.human");
        else if (Configuration.doAutoCreate())
          this.human = new StringType(); // bb
      return this.human;
    }

    public boolean hasHumanElement() {
      return this.human != null && !this.human.isEmpty();
    }

    public boolean hasHuman() {
      return this.human != null && !this.human.isEmpty();
    }

    /**
     * @param value {@link #human} (Text that can be used to describe the constraint
     *              in messages identifying that the constraint has been violated.).
     *              This is the underlying object with id, value and extensions. The
     *              accessor "getHuman" gives direct access to the value
     */
    public ElementDefinitionConstraintComponent setHumanElement(StringType value) {
      this.human = value;
      return this;
    }

    /**
     * @return Text that can be used to describe the constraint in messages
     *         identifying that the constraint has been violated.
     */
    public String getHuman() {
      return this.human == null ? null : this.human.getValue();
    }

    /**
     * @param value Text that can be used to describe the constraint in messages
     *              identifying that the constraint has been violated.
     */
    public ElementDefinitionConstraintComponent setHuman(String value) {
      if (this.human == null)
        this.human = new StringType();
      this.human.setValue(value);
      return this;
    }

    /**
     * @return {@link #expression} (A [FHIRPath](fhirpath.html) expression of
     *         constraint that can be executed to see if this constraint is met.).
     *         This is the underlying object with id, value and extensions. The
     *         accessor "getExpression" gives direct access to the value
     */
    public StringType getExpressionElement() {
      if (this.expression == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionConstraintComponent.expression");
        else if (Configuration.doAutoCreate())
          this.expression = new StringType(); // bb
      return this.expression;
    }

    public boolean hasExpressionElement() {
      return this.expression != null && !this.expression.isEmpty();
    }

    public boolean hasExpression() {
      return this.expression != null && !this.expression.isEmpty();
    }

    /**
     * @param value {@link #expression} (A [FHIRPath](fhirpath.html) expression of
     *              constraint that can be executed to see if this constraint is
     *              met.). This is the underlying object with id, value and
     *              extensions. The accessor "getExpression" gives direct access to
     *              the value
     */
    public ElementDefinitionConstraintComponent setExpressionElement(StringType value) {
      this.expression = value;
      return this;
    }

    /**
     * @return A [FHIRPath](fhirpath.html) expression of constraint that can be
     *         executed to see if this constraint is met.
     */
    public String getExpression() {
      return this.expression == null ? null : this.expression.getValue();
    }

    /**
     * @param value A [FHIRPath](fhirpath.html) expression of constraint that can be
     *              executed to see if this constraint is met.
     */
    public ElementDefinitionConstraintComponent setExpression(String value) {
      if (Utilities.noString(value))
        this.expression = null;
      else {
        if (this.expression == null)
          this.expression = new StringType();
        this.expression.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #xpath} (An XPath expression of constraint that can be
     *         executed to see if this constraint is met.). This is the underlying
     *         object with id, value and extensions. The accessor "getXpath" gives
     *         direct access to the value
     */
    public StringType getXpathElement() {
      if (this.xpath == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionConstraintComponent.xpath");
        else if (Configuration.doAutoCreate())
          this.xpath = new StringType(); // bb
      return this.xpath;
    }

    public boolean hasXpathElement() {
      return this.xpath != null && !this.xpath.isEmpty();
    }

    public boolean hasXpath() {
      return this.xpath != null && !this.xpath.isEmpty();
    }

    /**
     * @param value {@link #xpath} (An XPath expression of constraint that can be
     *              executed to see if this constraint is met.). This is the
     *              underlying object with id, value and extensions. The accessor
     *              "getXpath" gives direct access to the value
     */
    public ElementDefinitionConstraintComponent setXpathElement(StringType value) {
      this.xpath = value;
      return this;
    }

    /**
     * @return An XPath expression of constraint that can be executed to see if this
     *         constraint is met.
     */
    public String getXpath() {
      return this.xpath == null ? null : this.xpath.getValue();
    }

    /**
     * @param value An XPath expression of constraint that can be executed to see if
     *              this constraint is met.
     */
    public ElementDefinitionConstraintComponent setXpath(String value) {
      if (Utilities.noString(value))
        this.xpath = null;
      else {
        if (this.xpath == null)
          this.xpath = new StringType();
        this.xpath.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #source} (A reference to the original source of the
     *         constraint, for traceability purposes.). This is the underlying
     *         object with id, value and extensions. The accessor "getSource" gives
     *         direct access to the value
     */
    public CanonicalType getSourceElement() {
      if (this.source == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionConstraintComponent.source");
        else if (Configuration.doAutoCreate())
          this.source = new CanonicalType(); // bb
      return this.source;
    }

    public boolean hasSourceElement() {
      return this.source != null && !this.source.isEmpty();
    }

    public boolean hasSource() {
      return this.source != null && !this.source.isEmpty();
    }

    /**
     * @param value {@link #source} (A reference to the original source of the
     *              constraint, for traceability purposes.). This is the underlying
     *              object with id, value and extensions. The accessor "getSource"
     *              gives direct access to the value
     */
    public ElementDefinitionConstraintComponent setSourceElement(CanonicalType value) {
      this.source = value;
      return this;
    }

    /**
     * @return A reference to the original source of the constraint, for
     *         traceability purposes.
     */
    public String getSource() {
      return this.source == null ? null : this.source.getValue();
    }

    /**
     * @param value A reference to the original source of the constraint, for
     *              traceability purposes.
     */
    public ElementDefinitionConstraintComponent setSource(String value) {
      if (Utilities.noString(value))
        this.source = null;
      else {
        if (this.source == null)
          this.source = new CanonicalType();
        this.source.setValue(value);
      }
      return this;
    }

    protected void listChildren(List<Property> children) {
      super.listChildren(children);
      children.add(new Property("key", "id",
          "Allows identification of which elements have their cardinalities impacted by the constraint.  Will not be referenced for constraints that do not affect cardinality.",
          0, 1, key));
      children.add(new Property("requirements", "string",
          "Description of why this constraint is necessary or appropriate.", 0, 1, requirements));
      children.add(new Property("severity", "code",
          "Identifies the impact constraint violation has on the conformance of the instance.", 0, 1, severity));
      children.add(new Property("human", "string",
          "Text that can be used to describe the constraint in messages identifying that the constraint has been violated.",
          0, 1, human));
      children.add(new Property("expression", "string",
          "A [FHIRPath](fhirpath.html) expression of constraint that can be executed to see if this constraint is met.",
          0, 1, expression));
      children.add(new Property("xpath", "string",
          "An XPath expression of constraint that can be executed to see if this constraint is met.", 0, 1, xpath));
      children.add(new Property("source", "canonical(StructureDefinition)",
          "A reference to the original source of the constraint, for traceability purposes.", 0, 1, source));
    }

    @Override
    public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
      switch (_hash) {
      case 106079:
        /* key */ return new Property("key", "id",
            "Allows identification of which elements have their cardinalities impacted by the constraint.  Will not be referenced for constraints that do not affect cardinality.",
            0, 1, key);
      case -1619874672:
        /* requirements */ return new Property("requirements", "string",
            "Description of why this constraint is necessary or appropriate.", 0, 1, requirements);
      case 1478300413:
        /* severity */ return new Property("severity", "code",
            "Identifies the impact constraint violation has on the conformance of the instance.", 0, 1, severity);
      case 99639597:
        /* human */ return new Property("human", "string",
            "Text that can be used to describe the constraint in messages identifying that the constraint has been violated.",
            0, 1, human);
      case -1795452264:
        /* expression */ return new Property("expression", "string",
            "A [FHIRPath](fhirpath.html) expression of constraint that can be executed to see if this constraint is met.",
            0, 1, expression);
      case 114256029:
        /* xpath */ return new Property("xpath", "string",
            "An XPath expression of constraint that can be executed to see if this constraint is met.", 0, 1, xpath);
      case -896505829:
        /* source */ return new Property("source", "canonical(StructureDefinition)",
            "A reference to the original source of the constraint, for traceability purposes.", 0, 1, source);
      default:
        return super.getNamedProperty(_hash, _name, _checkValid);
      }

    }

    @Override
    public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
      switch (hash) {
      case 106079:
        /* key */ return this.key == null ? new Base[0] : new Base[] { this.key }; // IdType
      case -1619874672:
        /* requirements */ return this.requirements == null ? new Base[0] : new Base[] { this.requirements }; // StringType
      case 1478300413:
        /* severity */ return this.severity == null ? new Base[0] : new Base[] { this.severity }; // Enumeration<ConstraintSeverity>
      case 99639597:
        /* human */ return this.human == null ? new Base[0] : new Base[] { this.human }; // StringType
      case -1795452264:
        /* expression */ return this.expression == null ? new Base[0] : new Base[] { this.expression }; // StringType
      case 114256029:
        /* xpath */ return this.xpath == null ? new Base[0] : new Base[] { this.xpath }; // StringType
      case -896505829:
        /* source */ return this.source == null ? new Base[0] : new Base[] { this.source }; // CanonicalType
      default:
        return super.getProperty(hash, name, checkValid);
      }

    }

    @Override
    public Base setProperty(int hash, String name, Base value) throws FHIRException {
      switch (hash) {
      case 106079: // key
        this.key = castToId(value); // IdType
        return value;
      case -1619874672: // requirements
        this.requirements = castToString(value); // StringType
        return value;
      case 1478300413: // severity
        value = new ConstraintSeverityEnumFactory().fromType(castToCode(value));
        this.severity = (Enumeration) value; // Enumeration<ConstraintSeverity>
        return value;
      case 99639597: // human
        this.human = castToString(value); // StringType
        return value;
      case -1795452264: // expression
        this.expression = castToString(value); // StringType
        return value;
      case 114256029: // xpath
        this.xpath = castToString(value); // StringType
        return value;
      case -896505829: // source
        this.source = castToCanonical(value); // CanonicalType
        return value;
      default:
        return super.setProperty(hash, name, value);
      }

    }

    @Override
    public Base setProperty(String name, Base value) throws FHIRException {
      if (name.equals("key")) {
        this.key = castToId(value); // IdType
      } else if (name.equals("requirements")) {
        this.requirements = castToString(value); // StringType
      } else if (name.equals("severity")) {
        value = new ConstraintSeverityEnumFactory().fromType(castToCode(value));
        this.severity = (Enumeration) value; // Enumeration<ConstraintSeverity>
      } else if (name.equals("human")) {
        this.human = castToString(value); // StringType
      } else if (name.equals("expression")) {
        this.expression = castToString(value); // StringType
      } else if (name.equals("xpath")) {
        this.xpath = castToString(value); // StringType
      } else if (name.equals("source")) {
        this.source = castToCanonical(value); // CanonicalType
      } else
        return super.setProperty(name, value);
      return value;
    }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
      if (name.equals("key")) {
        this.key = null;
      } else if (name.equals("requirements")) {
        this.requirements = null;
      } else if (name.equals("severity")) {
        this.severity = null;
      } else if (name.equals("human")) {
        this.human = null;
      } else if (name.equals("expression")) {
        this.expression = null;
      } else if (name.equals("xpath")) {
        this.xpath = null;
      } else if (name.equals("source")) {
        this.source = null;
      } else
        super.removeChild(name, value);
      
    }

    @Override
    public Base makeProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 106079:
        return getKeyElement();
      case -1619874672:
        return getRequirementsElement();
      case 1478300413:
        return getSeverityElement();
      case 99639597:
        return getHumanElement();
      case -1795452264:
        return getExpressionElement();
      case 114256029:
        return getXpathElement();
      case -896505829:
        return getSourceElement();
      default:
        return super.makeProperty(hash, name);
      }

    }

    @Override
    public String[] getTypesForProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 106079:
        /* key */ return new String[] { "id" };
      case -1619874672:
        /* requirements */ return new String[] { "string" };
      case 1478300413:
        /* severity */ return new String[] { "code" };
      case 99639597:
        /* human */ return new String[] { "string" };
      case -1795452264:
        /* expression */ return new String[] { "string" };
      case 114256029:
        /* xpath */ return new String[] { "string" };
      case -896505829:
        /* source */ return new String[] { "canonical" };
      default:
        return super.getTypesForProperty(hash, name);
      }

    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("key")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.key");
      } else if (name.equals("requirements")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.requirements");
      } else if (name.equals("severity")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.severity");
      } else if (name.equals("human")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.human");
      } else if (name.equals("expression")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.expression");
      } else if (name.equals("xpath")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.xpath");
      } else if (name.equals("source")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.source");
      } else
        return super.addChild(name);
    }

    public ElementDefinitionConstraintComponent copy() {
      ElementDefinitionConstraintComponent dst = new ElementDefinitionConstraintComponent();
      copyValues(dst);
      return dst;
    }

    public void copyValues(ElementDefinitionConstraintComponent dst) {
      super.copyValues(dst);
      dst.key = key == null ? null : key.copy();
      dst.requirements = requirements == null ? null : requirements.copy();
      dst.severity = severity == null ? null : severity.copy();
      dst.human = human == null ? null : human.copy();
      dst.expression = expression == null ? null : expression.copy();
      dst.xpath = xpath == null ? null : xpath.copy();
      dst.source = source == null ? null : source.copy();
    }

    @Override
    public boolean equalsDeep(Base other_) {
      if (!super.equalsDeep(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionConstraintComponent))
        return false;
      ElementDefinitionConstraintComponent o = (ElementDefinitionConstraintComponent) other_;
      return compareDeep(key, o.key, true) && compareDeep(requirements, o.requirements, true)
          && compareDeep(severity, o.severity, true) && compareDeep(human, o.human, true)
          && compareDeep(expression, o.expression, true) && compareDeep(xpath, o.xpath, true)
          && compareDeep(source, o.source, true);
    }

    @Override
    public boolean equalsShallow(Base other_) {
      if (!super.equalsShallow(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionConstraintComponent))
        return false;
      ElementDefinitionConstraintComponent o = (ElementDefinitionConstraintComponent) other_;
      return compareValues(key, o.key, true) && compareValues(requirements, o.requirements, true)
          && compareValues(severity, o.severity, true) && compareValues(human, o.human, true)
          && compareValues(expression, o.expression, true) && compareValues(xpath, o.xpath, true);
    }

    public boolean isEmpty() {
      return super.isEmpty()
          && ca.uhn.fhir.util.ElementUtil.isEmpty(key, requirements, severity, human, expression, xpath, source);
    }

    public String fhirType() {
      return "ElementDefinition.constraint";

    }

  }

  @Block()
  public static class ElementDefinitionBindingComponent extends Element implements IBaseDatatypeElement {
    /**
     * Indicates the degree of conformance expectations associated with this binding
     * - that is, the degree to which the provided value set must be adhered to in
     * the instances.
     */
    @Child(name = "strength", type = { CodeType.class }, order = 1, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "required | extensible | preferred | example", formalDefinition = "Indicates the degree of conformance expectations associated with this binding - that is, the degree to which the provided value set must be adhered to in the instances.")
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/binding-strength")
    protected Enumeration<BindingStrength> strength;

    /**
     * Describes the intended use of this particular set of codes.
     */
    @Child(name = "description", type = {
        StringType.class }, order = 2, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Human explanation of the value set", formalDefinition = "Describes the intended use of this particular set of codes.")
    protected StringType description;

    /**
     * Refers to the value set that identifies the set of codes the binding refers
     * to.
     */
    @Child(name = "valueSet", type = {
        CanonicalType.class }, order = 3, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Source of value set", formalDefinition = "Refers to the value set that identifies the set of codes the binding refers to.")
    protected CanonicalType valueSet;

    private static final long serialVersionUID = -514477030L;

    /**
     * Constructor
     */
    public ElementDefinitionBindingComponent() {
      super();
    }

    /**
     * Constructor
     */
    public ElementDefinitionBindingComponent(Enumeration<BindingStrength> strength) {
      super();
      this.strength = strength;
    }

    /**
     * @return {@link #strength} (Indicates the degree of conformance expectations
     *         associated with this binding - that is, the degree to which the
     *         provided value set must be adhered to in the instances.). This is the
     *         underlying object with id, value and extensions. The accessor
     *         "getStrength" gives direct access to the value
     */
    public Enumeration<BindingStrength> getStrengthElement() {
      if (this.strength == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionBindingComponent.strength");
        else if (Configuration.doAutoCreate())
          this.strength = new Enumeration<BindingStrength>(new BindingStrengthEnumFactory()); // bb
      return this.strength;
    }

    public boolean hasStrengthElement() {
      return this.strength != null && !this.strength.isEmpty();
    }

    public boolean hasStrength() {
      return this.strength != null && !this.strength.isEmpty();
    }

    /**
     * @param value {@link #strength} (Indicates the degree of conformance
     *              expectations associated with this binding - that is, the degree
     *              to which the provided value set must be adhered to in the
     *              instances.). This is the underlying object with id, value and
     *              extensions. The accessor "getStrength" gives direct access to
     *              the value
     */
    public ElementDefinitionBindingComponent setStrengthElement(Enumeration<BindingStrength> value) {
      this.strength = value;
      return this;
    }

    /**
     * @return Indicates the degree of conformance expectations associated with this
     *         binding - that is, the degree to which the provided value set must be
     *         adhered to in the instances.
     */
    public BindingStrength getStrength() {
      return this.strength == null ? null : this.strength.getValue();
    }

    /**
     * @param value Indicates the degree of conformance expectations associated with
     *              this binding - that is, the degree to which the provided value
     *              set must be adhered to in the instances.
     */
    public ElementDefinitionBindingComponent setStrength(BindingStrength value) {
      if (this.strength == null)
        this.strength = new Enumeration<BindingStrength>(new BindingStrengthEnumFactory());
      this.strength.setValue(value);
      return this;
    }

    /**
     * @return {@link #description} (Describes the intended use of this particular
     *         set of codes.). This is the underlying object with id, value and
     *         extensions. The accessor "getDescription" gives direct access to the
     *         value
     */
    public StringType getDescriptionElement() {
      if (this.description == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionBindingComponent.description");
        else if (Configuration.doAutoCreate())
          this.description = new StringType(); // bb
      return this.description;
    }

    public boolean hasDescriptionElement() {
      return this.description != null && !this.description.isEmpty();
    }

    public boolean hasDescription() {
      return this.description != null && !this.description.isEmpty();
    }

    /**
     * @param value {@link #description} (Describes the intended use of this
     *              particular set of codes.). This is the underlying object with
     *              id, value and extensions. The accessor "getDescription" gives
     *              direct access to the value
     */
    public ElementDefinitionBindingComponent setDescriptionElement(StringType value) {
      this.description = value;
      return this;
    }

    /**
     * @return Describes the intended use of this particular set of codes.
     */
    public String getDescription() {
      return this.description == null ? null : this.description.getValue();
    }

    /**
     * @param value Describes the intended use of this particular set of codes.
     */
    public ElementDefinitionBindingComponent setDescription(String value) {
      if (Utilities.noString(value))
        this.description = null;
      else {
        if (this.description == null)
          this.description = new StringType();
        this.description.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #valueSet} (Refers to the value set that identifies the set of
     *         codes the binding refers to.). This is the underlying object with id,
     *         value and extensions. The accessor "getValueSet" gives direct access
     *         to the value
     */
    public CanonicalType getValueSetElement() {
      if (this.valueSet == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionBindingComponent.valueSet");
        else if (Configuration.doAutoCreate())
          this.valueSet = new CanonicalType(); // bb
      return this.valueSet;
    }

    public boolean hasValueSetElement() {
      return this.valueSet != null && !this.valueSet.isEmpty();
    }

    public boolean hasValueSet() {
      return this.valueSet != null && !this.valueSet.isEmpty();
    }

    /**
     * @param value {@link #valueSet} (Refers to the value set that identifies the
     *              set of codes the binding refers to.). This is the underlying
     *              object with id, value and extensions. The accessor "getValueSet"
     *              gives direct access to the value
     */
    public ElementDefinitionBindingComponent setValueSetElement(CanonicalType value) {
      this.valueSet = value;
      return this;
    }

    /**
     * @return Refers to the value set that identifies the set of codes the binding
     *         refers to.
     */
    public String getValueSet() {
      return this.valueSet == null ? null : this.valueSet.getValue();
    }

    /**
     * @param value Refers to the value set that identifies the set of codes the
     *              binding refers to.
     */
    public ElementDefinitionBindingComponent setValueSet(String value) {
      if (Utilities.noString(value))
        this.valueSet = null;
      else {
        if (this.valueSet == null)
          this.valueSet = new CanonicalType();
        this.valueSet.setValue(value);
      }
      return this;
    }

    protected void listChildren(List<Property> children) {
      super.listChildren(children);
      children.add(new Property("strength", "code",
          "Indicates the degree of conformance expectations associated with this binding - that is, the degree to which the provided value set must be adhered to in the instances.",
          0, 1, strength));
      children.add(new Property("description", "string", "Describes the intended use of this particular set of codes.",
          0, 1, description));
      children.add(new Property("valueSet", "canonical(ValueSet)",
          "Refers to the value set that identifies the set of codes the binding refers to.", 0, 1, valueSet));
    }

    @Override
    public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
      switch (_hash) {
      case 1791316033:
        /* strength */ return new Property("strength", "code",
            "Indicates the degree of conformance expectations associated with this binding - that is, the degree to which the provided value set must be adhered to in the instances.",
            0, 1, strength);
      case -1724546052:
        /* description */ return new Property("description", "string",
            "Describes the intended use of this particular set of codes.", 0, 1, description);
      case -1410174671:
        /* valueSet */ return new Property("valueSet", "canonical(ValueSet)",
            "Refers to the value set that identifies the set of codes the binding refers to.", 0, 1, valueSet);
      default:
        return super.getNamedProperty(_hash, _name, _checkValid);
      }

    }

    @Override
    public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
      switch (hash) {
      case 1791316033:
        /* strength */ return this.strength == null ? new Base[0] : new Base[] { this.strength }; // Enumeration<BindingStrength>
      case -1724546052:
        /* description */ return this.description == null ? new Base[0] : new Base[] { this.description }; // StringType
      case -1410174671:
        /* valueSet */ return this.valueSet == null ? new Base[0] : new Base[] { this.valueSet }; // CanonicalType
      default:
        return super.getProperty(hash, name, checkValid);
      }

    }

    @Override
    public Base setProperty(int hash, String name, Base value) throws FHIRException {
      switch (hash) {
      case 1791316033: // strength
        value = new BindingStrengthEnumFactory().fromType(castToCode(value));
        this.strength = (Enumeration) value; // Enumeration<BindingStrength>
        return value;
      case -1724546052: // description
        this.description = castToString(value); // StringType
        return value;
      case -1410174671: // valueSet
        this.valueSet = castToCanonical(value); // CanonicalType
        return value;
      default:
        return super.setProperty(hash, name, value);
      }

    }

    @Override
    public Base setProperty(String name, Base value) throws FHIRException {
      if (name.equals("strength")) {
        value = new BindingStrengthEnumFactory().fromType(castToCode(value));
        this.strength = (Enumeration) value; // Enumeration<BindingStrength>
      } else if (name.equals("description")) {
        this.description = castToString(value); // StringType
      } else if (name.equals("valueSet")) {
        this.valueSet = castToCanonical(value); // CanonicalType
      } else
        return super.setProperty(name, value);
      return value;
    }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
      if (name.equals("strength")) {
        this.strength = null;
      } else if (name.equals("description")) {
        this.description = null;
      } else if (name.equals("valueSet")) {
        this.valueSet = null;
      } else
        super.removeChild(name, value);
      
    }

    @Override
    public Base makeProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 1791316033:
        return getStrengthElement();
      case -1724546052:
        return getDescriptionElement();
      case -1410174671:
        return getValueSetElement();
      default:
        return super.makeProperty(hash, name);
      }

    }

    @Override
    public String[] getTypesForProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case 1791316033:
        /* strength */ return new String[] { "code" };
      case -1724546052:
        /* description */ return new String[] { "string" };
      case -1410174671:
        /* valueSet */ return new String[] { "canonical" };
      default:
        return super.getTypesForProperty(hash, name);
      }

    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("strength")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.strength");
      } else if (name.equals("description")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.description");
      } else if (name.equals("valueSet")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.valueSet");
      } else
        return super.addChild(name);
    }

    public ElementDefinitionBindingComponent copy() {
      ElementDefinitionBindingComponent dst = new ElementDefinitionBindingComponent();
      copyValues(dst);
      return dst;
    }

    public void copyValues(ElementDefinitionBindingComponent dst) {
      super.copyValues(dst);
      dst.strength = strength == null ? null : strength.copy();
      dst.description = description == null ? null : description.copy();
      dst.valueSet = valueSet == null ? null : valueSet.copy();
    }

    @Override
    public boolean equalsDeep(Base other_) {
      if (!super.equalsDeep(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionBindingComponent))
        return false;
      ElementDefinitionBindingComponent o = (ElementDefinitionBindingComponent) other_;
      return compareDeep(strength, o.strength, true) && compareDeep(description, o.description, true)
          && compareDeep(valueSet, o.valueSet, true);
    }

    @Override
    public boolean equalsShallow(Base other_) {
      if (!super.equalsShallow(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionBindingComponent))
        return false;
      ElementDefinitionBindingComponent o = (ElementDefinitionBindingComponent) other_;
      return compareValues(strength, o.strength, true) && compareValues(description, o.description, true);
    }

    public boolean isEmpty() {
      return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(strength, description, valueSet);
    }

    public String fhirType() {
      return "ElementDefinition.binding";

    }

  }

  @Block()
  public static class ElementDefinitionMappingComponent extends Element implements IBaseDatatypeElement {
    /**
     * An internal reference to the definition of a mapping.
     */
    @Child(name = "identity", type = { IdType.class }, order = 1, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Reference to mapping declaration", formalDefinition = "An internal reference to the definition of a mapping.")
    protected IdType identity;

    /**
     * Identifies the computable language in which mapping.map is expressed.
     */
    @Child(name = "language", type = { CodeType.class }, order = 2, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Computable language of mapping", formalDefinition = "Identifies the computable language in which mapping.map is expressed.")
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/mimetypes")
    protected CodeType language;

    /**
     * Expresses what part of the target specification corresponds to this element.
     */
    @Child(name = "map", type = { StringType.class }, order = 3, min = 1, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Details of the mapping", formalDefinition = "Expresses what part of the target specification corresponds to this element.")
    protected StringType map;

    /**
     * Comments that provide information about the mapping or its use.
     */
    @Child(name = "comment", type = { StringType.class }, order = 4, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Comments about the mapping or its use", formalDefinition = "Comments that provide information about the mapping or its use.")
    protected StringType comment;

    private static final long serialVersionUID = 1386816887L;

    /**
     * Constructor
     */
    public ElementDefinitionMappingComponent() {
      super();
    }

    /**
     * Constructor
     */
    public ElementDefinitionMappingComponent(IdType identity, StringType map) {
      super();
      this.identity = identity;
      this.map = map;
    }

    /**
     * @return {@link #identity} (An internal reference to the definition of a
     *         mapping.). This is the underlying object with id, value and
     *         extensions. The accessor "getIdentity" gives direct access to the
     *         value
     */
    public IdType getIdentityElement() {
      if (this.identity == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionMappingComponent.identity");
        else if (Configuration.doAutoCreate())
          this.identity = new IdType(); // bb
      return this.identity;
    }

    public boolean hasIdentityElement() {
      return this.identity != null && !this.identity.isEmpty();
    }

    public boolean hasIdentity() {
      return this.identity != null && !this.identity.isEmpty();
    }

    /**
     * @param value {@link #identity} (An internal reference to the definition of a
     *              mapping.). This is the underlying object with id, value and
     *              extensions. The accessor "getIdentity" gives direct access to
     *              the value
     */
    public ElementDefinitionMappingComponent setIdentityElement(IdType value) {
      this.identity = value;
      return this;
    }

    /**
     * @return An internal reference to the definition of a mapping.
     */
    public String getIdentity() {
      return this.identity == null ? null : this.identity.getValue();
    }

    /**
     * @param value An internal reference to the definition of a mapping.
     */
    public ElementDefinitionMappingComponent setIdentity(String value) {
      if (this.identity == null)
        this.identity = new IdType();
      this.identity.setValue(value);
      return this;
    }

    /**
     * @return {@link #language} (Identifies the computable language in which
     *         mapping.map is expressed.). This is the underlying object with id,
     *         value and extensions. The accessor "getLanguage" gives direct access
     *         to the value
     */
    public CodeType getLanguageElement() {
      if (this.language == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionMappingComponent.language");
        else if (Configuration.doAutoCreate())
          this.language = new CodeType(); // bb
      return this.language;
    }

    public boolean hasLanguageElement() {
      return this.language != null && !this.language.isEmpty();
    }

    public boolean hasLanguage() {
      return this.language != null && !this.language.isEmpty();
    }

    /**
     * @param value {@link #language} (Identifies the computable language in which
     *              mapping.map is expressed.). This is the underlying object with
     *              id, value and extensions. The accessor "getLanguage" gives
     *              direct access to the value
     */
    public ElementDefinitionMappingComponent setLanguageElement(CodeType value) {
      this.language = value;
      return this;
    }

    /**
     * @return Identifies the computable language in which mapping.map is expressed.
     */
    public String getLanguage() {
      return this.language == null ? null : this.language.getValue();
    }

    /**
     * @param value Identifies the computable language in which mapping.map is
     *              expressed.
     */
    public ElementDefinitionMappingComponent setLanguage(String value) {
      if (Utilities.noString(value))
        this.language = null;
      else {
        if (this.language == null)
          this.language = new CodeType();
        this.language.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #map} (Expresses what part of the target specification
     *         corresponds to this element.). This is the underlying object with id,
     *         value and extensions. The accessor "getMap" gives direct access to
     *         the value
     */
    public StringType getMapElement() {
      if (this.map == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionMappingComponent.map");
        else if (Configuration.doAutoCreate())
          this.map = new StringType(); // bb
      return this.map;
    }

    public boolean hasMapElement() {
      return this.map != null && !this.map.isEmpty();
    }

    public boolean hasMap() {
      return this.map != null && !this.map.isEmpty();
    }

    /**
     * @param value {@link #map} (Expresses what part of the target specification
     *              corresponds to this element.). This is the underlying object
     *              with id, value and extensions. The accessor "getMap" gives
     *              direct access to the value
     */
    public ElementDefinitionMappingComponent setMapElement(StringType value) {
      this.map = value;
      return this;
    }

    /**
     * @return Expresses what part of the target specification corresponds to this
     *         element.
     */
    public String getMap() {
      return this.map == null ? null : this.map.getValue();
    }

    /**
     * @param value Expresses what part of the target specification corresponds to
     *              this element.
     */
    public ElementDefinitionMappingComponent setMap(String value) {
      if (this.map == null)
        this.map = new StringType();
      this.map.setValue(value);
      return this;
    }

    /**
     * @return {@link #comment} (Comments that provide information about the mapping
     *         or its use.). This is the underlying object with id, value and
     *         extensions. The accessor "getComment" gives direct access to the
     *         value
     */
    public StringType getCommentElement() {
      if (this.comment == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create ElementDefinitionMappingComponent.comment");
        else if (Configuration.doAutoCreate())
          this.comment = new StringType(); // bb
      return this.comment;
    }

    public boolean hasCommentElement() {
      return this.comment != null && !this.comment.isEmpty();
    }

    public boolean hasComment() {
      return this.comment != null && !this.comment.isEmpty();
    }

    /**
     * @param value {@link #comment} (Comments that provide information about the
     *              mapping or its use.). This is the underlying object with id,
     *              value and extensions. The accessor "getComment" gives direct
     *              access to the value
     */
    public ElementDefinitionMappingComponent setCommentElement(StringType value) {
      this.comment = value;
      return this;
    }

    /**
     * @return Comments that provide information about the mapping or its use.
     */
    public String getComment() {
      return this.comment == null ? null : this.comment.getValue();
    }

    /**
     * @param value Comments that provide information about the mapping or its use.
     */
    public ElementDefinitionMappingComponent setComment(String value) {
      if (Utilities.noString(value))
        this.comment = null;
      else {
        if (this.comment == null)
          this.comment = new StringType();
        this.comment.setValue(value);
      }
      return this;
    }

    protected void listChildren(List<Property> children) {
      super.listChildren(children);
      children
          .add(new Property("identity", "id", "An internal reference to the definition of a mapping.", 0, 1, identity));
      children.add(new Property("language", "code",
          "Identifies the computable language in which mapping.map is expressed.", 0, 1, language));
      children.add(new Property("map", "string",
          "Expresses what part of the target specification corresponds to this element.", 0, 1, map));
      children.add(new Property("comment", "string", "Comments that provide information about the mapping or its use.",
          0, 1, comment));
    }

    @Override
    public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
      switch (_hash) {
      case -135761730:
        /* identity */ return new Property("identity", "id", "An internal reference to the definition of a mapping.", 0,
            1, identity);
      case -1613589672:
        /* language */ return new Property("language", "code",
            "Identifies the computable language in which mapping.map is expressed.", 0, 1, language);
      case 107868:
        /* map */ return new Property("map", "string",
            "Expresses what part of the target specification corresponds to this element.", 0, 1, map);
      case 950398559:
        /* comment */ return new Property("comment", "string",
            "Comments that provide information about the mapping or its use.", 0, 1, comment);
      default:
        return super.getNamedProperty(_hash, _name, _checkValid);
      }

    }

    @Override
    public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
      switch (hash) {
      case -135761730:
        /* identity */ return this.identity == null ? new Base[0] : new Base[] { this.identity }; // IdType
      case -1613589672:
        /* language */ return this.language == null ? new Base[0] : new Base[] { this.language }; // CodeType
      case 107868:
        /* map */ return this.map == null ? new Base[0] : new Base[] { this.map }; // StringType
      case 950398559:
        /* comment */ return this.comment == null ? new Base[0] : new Base[] { this.comment }; // StringType
      default:
        return super.getProperty(hash, name, checkValid);
      }

    }

    @Override
    public Base setProperty(int hash, String name, Base value) throws FHIRException {
      switch (hash) {
      case -135761730: // identity
        this.identity = castToId(value); // IdType
        return value;
      case -1613589672: // language
        this.language = castToCode(value); // CodeType
        return value;
      case 107868: // map
        this.map = castToString(value); // StringType
        return value;
      case 950398559: // comment
        this.comment = castToString(value); // StringType
        return value;
      default:
        return super.setProperty(hash, name, value);
      }

    }

    @Override
    public Base setProperty(String name, Base value) throws FHIRException {
      if (name.equals("identity")) {
        this.identity = castToId(value); // IdType
      } else if (name.equals("language")) {
        this.language = castToCode(value); // CodeType
      } else if (name.equals("map")) {
        this.map = castToString(value); // StringType
      } else if (name.equals("comment")) {
        this.comment = castToString(value); // StringType
      } else
        return super.setProperty(name, value);
      return value;
    }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
      if (name.equals("identity")) {
        this.identity = null;
      } else if (name.equals("language")) {
        this.language = null;
      } else if (name.equals("map")) {
        this.map = null;
      } else if (name.equals("comment")) {
        this.comment = null;
      } else
        super.removeChild(name, value);
      
    }

    @Override
    public Base makeProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case -135761730:
        return getIdentityElement();
      case -1613589672:
        return getLanguageElement();
      case 107868:
        return getMapElement();
      case 950398559:
        return getCommentElement();
      default:
        return super.makeProperty(hash, name);
      }

    }

    @Override
    public String[] getTypesForProperty(int hash, String name) throws FHIRException {
      switch (hash) {
      case -135761730:
        /* identity */ return new String[] { "id" };
      case -1613589672:
        /* language */ return new String[] { "code" };
      case 107868:
        /* map */ return new String[] { "string" };
      case 950398559:
        /* comment */ return new String[] { "string" };
      default:
        return super.getTypesForProperty(hash, name);
      }

    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("identity")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.identity");
      } else if (name.equals("language")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.language");
      } else if (name.equals("map")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.map");
      } else if (name.equals("comment")) {
        throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.comment");
      } else
        return super.addChild(name);
    }

    public ElementDefinitionMappingComponent copy() {
      ElementDefinitionMappingComponent dst = new ElementDefinitionMappingComponent();
      copyValues(dst);
      return dst;
    }

    public void copyValues(ElementDefinitionMappingComponent dst) {
      super.copyValues(dst);
      dst.identity = identity == null ? null : identity.copy();
      dst.language = language == null ? null : language.copy();
      dst.map = map == null ? null : map.copy();
      dst.comment = comment == null ? null : comment.copy();
    }

    @Override
    public boolean equalsDeep(Base other_) {
      if (!super.equalsDeep(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionMappingComponent))
        return false;
      ElementDefinitionMappingComponent o = (ElementDefinitionMappingComponent) other_;
      return compareDeep(identity, o.identity, true) && compareDeep(language, o.language, true)
          && compareDeep(map, o.map, true) && compareDeep(comment, o.comment, true);
    }

    @Override
    public boolean equalsShallow(Base other_) {
      if (!super.equalsShallow(other_))
        return false;
      if (!(other_ instanceof ElementDefinitionMappingComponent))
        return false;
      ElementDefinitionMappingComponent o = (ElementDefinitionMappingComponent) other_;
      return compareValues(identity, o.identity, true) && compareValues(language, o.language, true)
          && compareValues(map, o.map, true) && compareValues(comment, o.comment, true);
    }

    public boolean isEmpty() {
      return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(identity, language, map, comment);
    }

    public String fhirType() {
      return "ElementDefinition.mapping";

    }

  }

  /**
   * The path identifies the element and is expressed as a "."-separated list of
   * ancestor elements, beginning with the name of the resource or extension.
   */
  @Child(name = "path", type = { StringType.class }, order = 0, min = 1, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Path of the element in the hierarchy of elements", formalDefinition = "The path identifies the element and is expressed as a \".\"-separated list of ancestor elements, beginning with the name of the resource or extension.")
  protected StringType path;

  /**
   * Codes that define how this element is represented in instances, when the
   * deviation varies from the normal case.
   */
  @Child(name = "representation", type = {
      CodeType.class }, order = 1, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "xmlAttr | xmlText | typeAttr | cdaText | xhtml", formalDefinition = "Codes that define how this element is represented in instances, when the deviation varies from the normal case.")
  @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/property-representation")
  protected List<Enumeration<PropertyRepresentation>> representation;

  /**
   * The name of this element definition slice, when slicing is working. The name
   * must be a token with no dots or spaces. This is a unique name referring to a
   * specific set of constraints applied to this element, used to provide a name
   * to different slices of the same element.
   */
  @Child(name = "sliceName", type = { StringType.class }, order = 2, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Name for this particular element (in a set of slices)", formalDefinition = "The name of this element definition slice, when slicing is working. The name must be a token with no dots or spaces. This is a unique name referring to a specific set of constraints applied to this element, used to provide a name to different slices of the same element.")
  protected StringType sliceName;

  /**
   * If true, indicates that this slice definition is constraining a slice
   * definition with the same name in an inherited profile. If false, the slice is
   * not overriding any slice in an inherited profile. If missing, the slice might
   * or might not be overriding a slice in an inherited profile, depending on the
   * sliceName.
   */
  @Child(name = "sliceIsConstraining", type = {
      BooleanType.class }, order = 3, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "If this slice definition constrains an inherited slice definition (or not)", formalDefinition = "If true, indicates that this slice definition is constraining a slice definition with the same name in an inherited profile. If false, the slice is not overriding any slice in an inherited profile. If missing, the slice might or might not be overriding a slice in an inherited profile, depending on the sliceName.")
  protected BooleanType sliceIsConstraining;

  /**
   * A single preferred label which is the text to display beside the element
   * indicating its meaning or to use to prompt for the element in a user display
   * or form.
   */
  @Child(name = "label", type = { StringType.class }, order = 4, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Name for element to display with or prompt for element", formalDefinition = "A single preferred label which is the text to display beside the element indicating its meaning or to use to prompt for the element in a user display or form.")
  protected StringType label;

  /**
   * A code that has the same meaning as the element in a particular terminology.
   */
  @Child(name = "code", type = {
      Coding.class }, order = 5, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Corresponding codes in terminologies", formalDefinition = "A code that has the same meaning as the element in a particular terminology.")
  @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/observation-codes")
  protected List<Coding> code;

  /**
   * Indicates that the element is sliced into a set of alternative definitions
   * (i.e. in a structure definition, there are multiple different constraints on
   * a single element in the base resource). Slicing can be used in any resource
   * that has cardinality ..* on the base resource, or any resource with a choice
   * of types. The set of slices is any elements that come after this in the
   * element sequence that have the same path, until a shorter path occurs (the
   * shorter path terminates the set).
   */
  @Child(name = "slicing", type = {}, order = 6, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "This element is sliced - slices follow", formalDefinition = "Indicates that the element is sliced into a set of alternative definitions (i.e. in a structure definition, there are multiple different constraints on a single element in the base resource). Slicing can be used in any resource that has cardinality ..* on the base resource, or any resource with a choice of types. The set of slices is any elements that come after this in the element sequence that have the same path, until a shorter path occurs (the shorter path terminates the set).")
  protected ElementDefinitionSlicingComponent slicing;

  /**
   * A concise description of what this element means (e.g. for use in
   * autogenerated summaries).
   */
  @Child(name = "short", type = { StringType.class }, order = 7, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Concise definition for space-constrained presentation", formalDefinition = "A concise description of what this element means (e.g. for use in autogenerated summaries).")
  protected StringType short_;

  /**
   * Provides a complete explanation of the meaning of the data element for human
   * readability. For the case of elements derived from existing elements (e.g.
   * constraints), the definition SHALL be consistent with the base definition,
   * but convey the meaning of the element in the particular context of use of the
   * resource. (Note: The text you are reading is specified in
   * ElementDefinition.definition).
   */
  @Child(name = "definition", type = {
      MarkdownType.class }, order = 8, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Full formal definition as narrative text", formalDefinition = "Provides a complete explanation of the meaning of the data element for human readability.  For the case of elements derived from existing elements (e.g. constraints), the definition SHALL be consistent with the base definition, but convey the meaning of the element in the particular context of use of the resource. (Note: The text you are reading is specified in ElementDefinition.definition).")
  protected MarkdownType definition;

  /**
   * Explanatory notes and implementation guidance about the data element,
   * including notes about how to use the data properly, exceptions to proper use,
   * etc. (Note: The text you are reading is specified in
   * ElementDefinition.comment).
   */
  @Child(name = "comment", type = { MarkdownType.class }, order = 9, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Comments about the use of this element", formalDefinition = "Explanatory notes and implementation guidance about the data element, including notes about how to use the data properly, exceptions to proper use, etc. (Note: The text you are reading is specified in ElementDefinition.comment).")
  protected MarkdownType comment;

  /**
   * This element is for traceability of why the element was created and why the
   * constraints exist as they do. This may be used to point to source materials
   * or specifications that drove the structure of this element.
   */
  @Child(name = "requirements", type = {
      MarkdownType.class }, order = 10, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Why this resource has been created", formalDefinition = "This element is for traceability of why the element was created and why the constraints exist as they do. This may be used to point to source materials or specifications that drove the structure of this element.")
  protected MarkdownType requirements;

  /**
   * Identifies additional names by which this element might also be known.
   */
  @Child(name = "alias", type = {
      StringType.class }, order = 11, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Other names", formalDefinition = "Identifies additional names by which this element might also be known.")
  protected List<StringType> alias;

  /**
   * The minimum number of times this element SHALL appear in the instance.
   */
  @Child(name = "min", type = { UnsignedIntType.class }, order = 12, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Minimum Cardinality", formalDefinition = "The minimum number of times this element SHALL appear in the instance.")
  protected UnsignedIntType min;

  /**
   * The maximum number of times this element is permitted to appear in the
   * instance.
   */
  @Child(name = "max", type = { StringType.class }, order = 13, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Maximum Cardinality (a number or *)", formalDefinition = "The maximum number of times this element is permitted to appear in the instance.")
  protected StringType max;

  /**
   * Information about the base definition of the element, provided to make it
   * unnecessary for tools to trace the deviation of the element through the
   * derived and related profiles. When the element definition is not the original
   * definition of an element - i.g. either in a constraint on another type, or
   * for elements from a super type in a snap shot - then the information in
   * provided in the element definition may be different to the base definition.
   * On the original definition of the element, it will be same.
   */
  @Child(name = "base", type = {}, order = 14, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Base definition information for tools", formalDefinition = "Information about the base definition of the element, provided to make it unnecessary for tools to trace the deviation of the element through the derived and related profiles. When the element definition is not the original definition of an element - i.g. either in a constraint on another type, or for elements from a super type in a snap shot - then the information in provided in the element definition may be different to the base definition. On the original definition of the element, it will be same.")
  protected ElementDefinitionBaseComponent base;

  /**
   * Identifies an element defined elsewhere in the definition whose content rules
   * should be applied to the current element. ContentReferences bring across all
   * the rules that are in the ElementDefinition for the element, including
   * definitions, cardinality constraints, bindings, invariants etc.
   */
  @Child(name = "contentReference", type = {
      UriType.class }, order = 15, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Reference to definition of content for the element", formalDefinition = "Identifies an element defined elsewhere in the definition whose content rules should be applied to the current element. ContentReferences bring across all the rules that are in the ElementDefinition for the element, including definitions, cardinality constraints, bindings, invariants etc.")
  protected UriType contentReference;

  /**
   * The data type or resource that the value of this element is permitted to be.
   */
  @Child(name = "type", type = {}, order = 16, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Data type and Profile for this element", formalDefinition = "The data type or resource that the value of this element is permitted to be.")
  protected List<TypeRefComponent> type;

  /**
   * The value that should be used if there is no value stated in the instance
   * (e.g. 'if not otherwise specified, the abstract is false').
   */
  @Child(name = "defaultValue", type = {}, order = 17, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Specified value if missing from instance", formalDefinition = "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').")
  protected org.hl7.fhir.r4.model.Type defaultValue;

  /**
   * The Implicit meaning that is to be understood when this element is missing
   * (e.g. 'when this element is missing, the period is ongoing').
   */
  @Child(name = "meaningWhenMissing", type = {
      MarkdownType.class }, order = 18, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Implicit meaning when this element is missing", formalDefinition = "The Implicit meaning that is to be understood when this element is missing (e.g. 'when this element is missing, the period is ongoing').")
  protected MarkdownType meaningWhenMissing;

  /**
   * If present, indicates that the order of the repeating element has meaning and
   * describes what that meaning is. If absent, it means that the order of the
   * element has no meaning.
   */
  @Child(name = "orderMeaning", type = {
      StringType.class }, order = 19, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "What the order of the elements means", formalDefinition = "If present, indicates that the order of the repeating element has meaning and describes what that meaning is.  If absent, it means that the order of the element has no meaning.")
  protected StringType orderMeaning;

  /**
   * Specifies a value that SHALL be exactly the value for this element in the
   * instance. For purposes of comparison, non-significant whitespace is ignored,
   * and all values must be an exact match (case and accent sensitive). Missing
   * elements/attributes must also be missing.
   */
  @Child(name = "fixed", type = {}, order = 20, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Value must be exactly this", formalDefinition = "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.")
  protected org.hl7.fhir.r4.model.Type fixed;

  /**
   * Specifies a value that the value in the instance SHALL follow - that is, any
   * value in the pattern must be found in the instance. Other additional values
   * may be found too. This is effectively constraint by example.
   * 
   * When pattern[x] is used to constrain a primitive, it means that the value
   * provided in the pattern[x] must match the instance value exactly.
   * 
   * When pattern[x] is used to constrain an array, it means that each element
   * provided in the pattern[x] array must (recursively) match at least one
   * element from the instance array.
   * 
   * When pattern[x] is used to constrain a complex object, it means that each
   * property in the pattern must be present in the complex object, and its value
   * must recursively match -- i.e.,
   * 
   * 1. If primitive: it must match exactly the pattern value 2. If a complex
   * object: it must match (recursively) the pattern value 3. If an array: it must
   * match (recursively) the pattern value.
   */
  @Child(name = "pattern", type = {}, order = 21, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Value must have at least these property values", formalDefinition = "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.")
  protected org.hl7.fhir.r4.model.Type pattern;

  /**
   * A sample value for this element demonstrating the type of information that
   * would typically be found in the element.
   */
  @Child(name = "example", type = {}, order = 22, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Example value (as defined for type)", formalDefinition = "A sample value for this element demonstrating the type of information that would typically be found in the element.")
  protected List<ElementDefinitionExampleComponent> example;

  /**
   * The minimum allowed value for the element. The value is inclusive. This is
   * allowed for the types date, dateTime, instant, time, decimal, integer, and
   * Quantity.
   */
  @Child(name = "minValue", type = { DateType.class, DateTimeType.class, InstantType.class, TimeType.class,
      DecimalType.class, IntegerType.class, PositiveIntType.class, UnsignedIntType.class,
      Quantity.class }, order = 23, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Minimum Allowed Value (for some types)", formalDefinition = "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.")
  protected Type minValue;

  /**
   * The maximum allowed value for the element. The value is inclusive. This is
   * allowed for the types date, dateTime, instant, time, decimal, integer, and
   * Quantity.
   */
  @Child(name = "maxValue", type = { DateType.class, DateTimeType.class, InstantType.class, TimeType.class,
      DecimalType.class, IntegerType.class, PositiveIntType.class, UnsignedIntType.class,
      Quantity.class }, order = 24, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Maximum Allowed Value (for some types)", formalDefinition = "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.")
  protected Type maxValue;

  /**
   * Indicates the maximum length in characters that is permitted to be present in
   * conformant instances and which is expected to be supported by conformant
   * consumers that support the element.
   */
  @Child(name = "maxLength", type = {
      IntegerType.class }, order = 25, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Max length for strings", formalDefinition = "Indicates the maximum length in characters that is permitted to be present in conformant instances and which is expected to be supported by conformant consumers that support the element.")
  protected IntegerType maxLength;

  /**
   * A reference to an invariant that may make additional statements about the
   * cardinality or value in the instance.
   */
  @Child(name = "condition", type = {
      IdType.class }, order = 26, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Reference to invariant about presence", formalDefinition = "A reference to an invariant that may make additional statements about the cardinality or value in the instance.")
  protected List<IdType> condition;

  /**
   * Formal constraints such as co-occurrence and other constraints that can be
   * computationally evaluated within the context of the instance.
   */
  @Child(name = "constraint", type = {}, order = 27, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Condition that must evaluate to true", formalDefinition = "Formal constraints such as co-occurrence and other constraints that can be computationally evaluated within the context of the instance.")
  protected List<ElementDefinitionConstraintComponent> constraint;

  /**
   * If true, implementations that produce or consume resources SHALL provide
   * "support" for the element in some meaningful way. If false, the element may
   * be ignored and not supported. If false, whether to populate or use the data
   * element in any way is at the discretion of the implementation.
   */
  @Child(name = "mustSupport", type = {
      BooleanType.class }, order = 28, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "If the element must be supported", formalDefinition = "If true, implementations that produce or consume resources SHALL provide \"support\" for the element in some meaningful way.  If false, the element may be ignored and not supported. If false, whether to populate or use the data element in any way is at the discretion of the implementation.")
  protected BooleanType mustSupport;

  /**
   * If true, the value of this element affects the interpretation of the element
   * or resource that contains it, and the value of the element cannot be ignored.
   * Typically, this is used for status, negation and qualification codes. The
   * effect of this is that the element cannot be ignored by systems: they SHALL
   * either recognize the element and process it, and/or a pre-determination has
   * been made that it is not relevant to their particular system.
   */
  @Child(name = "isModifier", type = {
      BooleanType.class }, order = 29, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "If this modifies the meaning of other elements", formalDefinition = "If true, the value of this element affects the interpretation of the element or resource that contains it, and the value of the element cannot be ignored. Typically, this is used for status, negation and qualification codes. The effect of this is that the element cannot be ignored by systems: they SHALL either recognize the element and process it, and/or a pre-determination has been made that it is not relevant to their particular system.")
  protected BooleanType isModifier;

  /**
   * Explains how that element affects the interpretation of the resource or
   * element that contains it.
   */
  @Child(name = "isModifierReason", type = {
      StringType.class }, order = 30, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Reason that this element is marked as a modifier", formalDefinition = "Explains how that element affects the interpretation of the resource or element that contains it.")
  protected StringType isModifierReason;

  /**
   * Whether the element should be included if a client requests a search with the
   * parameter _summary=true.
   */
  @Child(name = "isSummary", type = {
      BooleanType.class }, order = 31, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Include when _summary = true?", formalDefinition = "Whether the element should be included if a client requests a search with the parameter _summary=true.")
  protected BooleanType isSummary;

  /**
   * Binds to a value set if this element is coded (code, Coding, CodeableConcept,
   * Quantity), or the data types (string, uri).
   */
  @Child(name = "binding", type = {}, order = 32, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "ValueSet details if this is coded", formalDefinition = "Binds to a value set if this element is coded (code, Coding, CodeableConcept, Quantity), or the data types (string, uri).")
  protected ElementDefinitionBindingComponent binding;

  /**
   * Identifies a concept from an external specification that roughly corresponds
   * to this element.
   */
  @Child(name = "mapping", type = {}, order = 33, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Map element to another set of definitions", formalDefinition = "Identifies a concept from an external specification that roughly corresponds to this element.")
  protected List<ElementDefinitionMappingComponent> mapping;

  private static final long serialVersionUID = 1482114790L;

  /**
   * Constructor
   */
  public ElementDefinition() {
    super();
  }

  /**
   * Constructor
   */
  public ElementDefinition(StringType path) {
    super();
    this.path = path;
  }

  /**
   * @return {@link #path} (The path identifies the element and is expressed as a
   *         "."-separated list of ancestor elements, beginning with the name of
   *         the resource or extension.). This is the underlying object with id,
   *         value and extensions. The accessor "getPath" gives direct access to
   *         the value
   */
  public StringType getPathElement() {
    if (this.path == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.path");
      else if (Configuration.doAutoCreate())
        this.path = new StringType(); // bb
    return this.path;
  }

  public boolean hasPathElement() {
    return this.path != null && !this.path.isEmpty();
  }

  public boolean hasPath() {
    return this.path != null && !this.path.isEmpty();
  }

  /**
   * @param value {@link #path} (The path identifies the element and is expressed
   *              as a "."-separated list of ancestor elements, beginning with the
   *              name of the resource or extension.). This is the underlying
   *              object with id, value and extensions. The accessor "getPath"
   *              gives direct access to the value
   */
  public ElementDefinition setPathElement(StringType value) {
    this.path = value;
    return this;
  }

  /**
   * @return The path identifies the element and is expressed as a "."-separated
   *         list of ancestor elements, beginning with the name of the resource or
   *         extension.
   */
  public String getPath() {
    return this.path == null ? null : this.path.getValue();
  }

  /**
   * @param value The path identifies the element and is expressed as a
   *              "."-separated list of ancestor elements, beginning with the name
   *              of the resource or extension.
   */
  public ElementDefinition setPath(String value) {
    if (this.path == null)
      this.path = new StringType();
    this.path.setValue(value);
    return this;
  }

  /**
   * @return {@link #representation} (Codes that define how this element is
   *         represented in instances, when the deviation varies from the normal
   *         case.)
   */
  public List<Enumeration<PropertyRepresentation>> getRepresentation() {
    if (this.representation == null)
      this.representation = new ArrayList<Enumeration<PropertyRepresentation>>();
    return this.representation;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public ElementDefinition setRepresentation(List<Enumeration<PropertyRepresentation>> theRepresentation) {
    this.representation = theRepresentation;
    return this;
  }

  public boolean hasRepresentation() {
    if (this.representation == null)
      return false;
    for (Enumeration<PropertyRepresentation> item : this.representation)
      if (!item.isEmpty())
        return true;
    return false;
  }

  /**
   * @return {@link #representation} (Codes that define how this element is
   *         represented in instances, when the deviation varies from the normal
   *         case.)
   */
  public Enumeration<PropertyRepresentation> addRepresentationElement() {// 2
    Enumeration<PropertyRepresentation> t = new Enumeration<PropertyRepresentation>(
        new PropertyRepresentationEnumFactory());
    if (this.representation == null)
      this.representation = new ArrayList<Enumeration<PropertyRepresentation>>();
    this.representation.add(t);
    return t;
  }

  /**
   * @param value {@link #representation} (Codes that define how this element is
   *              represented in instances, when the deviation varies from the
   *              normal case.)
   */
  public ElementDefinition addRepresentation(PropertyRepresentation value) { // 1
    Enumeration<PropertyRepresentation> t = new Enumeration<PropertyRepresentation>(
        new PropertyRepresentationEnumFactory());
    t.setValue(value);
    if (this.representation == null)
      this.representation = new ArrayList<Enumeration<PropertyRepresentation>>();
    this.representation.add(t);
    return this;
  }

  /**
   * @param value {@link #representation} (Codes that define how this element is
   *              represented in instances, when the deviation varies from the
   *              normal case.)
   */
  public boolean hasRepresentation(PropertyRepresentation value) {
    if (this.representation == null)
      return false;
    for (Enumeration<PropertyRepresentation> v : this.representation)
      if (v.getValue().equals(value)) // code
        return true;
    return false;
  }

  /**
   * @return {@link #sliceName} (The name of this element definition slice, when
   *         slicing is working. The name must be a token with no dots or spaces.
   *         This is a unique name referring to a specific set of constraints
   *         applied to this element, used to provide a name to different slices
   *         of the same element.). This is the underlying object with id, value
   *         and extensions. The accessor "getSliceName" gives direct access to
   *         the value
   */
  public StringType getSliceNameElement() {
    if (this.sliceName == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.sliceName");
      else if (Configuration.doAutoCreate())
        this.sliceName = new StringType(); // bb
    return this.sliceName;
  }

  public boolean hasSliceNameElement() {
    return this.sliceName != null && !this.sliceName.isEmpty();
  }

  public boolean hasSliceName() {
    return this.sliceName != null && !this.sliceName.isEmpty();
  }

  /**
   * @param value {@link #sliceName} (The name of this element definition slice,
   *              when slicing is working. The name must be a token with no dots
   *              or spaces. This is a unique name referring to a specific set of
   *              constraints applied to this element, used to provide a name to
   *              different slices of the same element.). This is the underlying
   *              object with id, value and extensions. The accessor
   *              "getSliceName" gives direct access to the value
   */
  public ElementDefinition setSliceNameElement(StringType value) {
    this.sliceName = value;
    return this;
  }

  /**
   * @return The name of this element definition slice, when slicing is working.
   *         The name must be a token with no dots or spaces. This is a unique
   *         name referring to a specific set of constraints applied to this
   *         element, used to provide a name to different slices of the same
   *         element.
   */
  public String getSliceName() {
    return this.sliceName == null ? null : this.sliceName.getValue();
  }

  /**
   * @param value The name of this element definition slice, when slicing is
   *              working. The name must be a token with no dots or spaces. This
   *              is a unique name referring to a specific set of constraints
   *              applied to this element, used to provide a name to different
   *              slices of the same element.
   */
  public ElementDefinition setSliceName(String value) {
    if (Utilities.noString(value))
      this.sliceName = null;
    else {
      if (this.sliceName == null)
        this.sliceName = new StringType();
      this.sliceName.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #sliceIsConstraining} (If true, indicates that this slice
   *         definition is constraining a slice definition with the same name in
   *         an inherited profile. If false, the slice is not overriding any slice
   *         in an inherited profile. If missing, the slice might or might not be
   *         overriding a slice in an inherited profile, depending on the
   *         sliceName.). This is the underlying object with id, value and
   *         extensions. The accessor "getSliceIsConstraining" gives direct access
   *         to the value
   */
  public BooleanType getSliceIsConstrainingElement() {
    if (this.sliceIsConstraining == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.sliceIsConstraining");
      else if (Configuration.doAutoCreate())
        this.sliceIsConstraining = new BooleanType(); // bb
    return this.sliceIsConstraining;
  }

  public boolean hasSliceIsConstrainingElement() {
    return this.sliceIsConstraining != null && !this.sliceIsConstraining.isEmpty();
  }

  public boolean hasSliceIsConstraining() {
    return this.sliceIsConstraining != null && !this.sliceIsConstraining.isEmpty();
  }

  /**
   * @param value {@link #sliceIsConstraining} (If true, indicates that this slice
   *              definition is constraining a slice definition with the same name
   *              in an inherited profile. If false, the slice is not overriding
   *              any slice in an inherited profile. If missing, the slice might
   *              or might not be overriding a slice in an inherited profile,
   *              depending on the sliceName.). This is the underlying object with
   *              id, value and extensions. The accessor "getSliceIsConstraining"
   *              gives direct access to the value
   */
  public ElementDefinition setSliceIsConstrainingElement(BooleanType value) {
    this.sliceIsConstraining = value;
    return this;
  }

  /**
   * @return If true, indicates that this slice definition is constraining a slice
   *         definition with the same name in an inherited profile. If false, the
   *         slice is not overriding any slice in an inherited profile. If
   *         missing, the slice might or might not be overriding a slice in an
   *         inherited profile, depending on the sliceName.
   */
  public boolean getSliceIsConstraining() {
    return this.sliceIsConstraining == null || this.sliceIsConstraining.isEmpty() ? false
        : this.sliceIsConstraining.getValue();
  }

  /**
   * @param value If true, indicates that this slice definition is constraining a
   *              slice definition with the same name in an inherited profile. If
   *              false, the slice is not overriding any slice in an inherited
   *              profile. If missing, the slice might or might not be overriding
   *              a slice in an inherited profile, depending on the sliceName.
   */
  public ElementDefinition setSliceIsConstraining(boolean value) {
    if (this.sliceIsConstraining == null)
      this.sliceIsConstraining = new BooleanType();
    this.sliceIsConstraining.setValue(value);
    return this;
  }

  /**
   * @return {@link #label} (A single preferred label which is the text to display
   *         beside the element indicating its meaning or to use to prompt for the
   *         element in a user display or form.). This is the underlying object
   *         with id, value and extensions. The accessor "getLabel" gives direct
   *         access to the value
   */
  public StringType getLabelElement() {
    if (this.label == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.label");
      else if (Configuration.doAutoCreate())
        this.label = new StringType(); // bb
    return this.label;
  }

  public boolean hasLabelElement() {
    return this.label != null && !this.label.isEmpty();
  }

  public boolean hasLabel() {
    return this.label != null && !this.label.isEmpty();
  }

  /**
   * @param value {@link #label} (A single preferred label which is the text to
   *              display beside the element indicating its meaning or to use to
   *              prompt for the element in a user display or form.). This is the
   *              underlying object with id, value and extensions. The accessor
   *              "getLabel" gives direct access to the value
   */
  public ElementDefinition setLabelElement(StringType value) {
    this.label = value;
    return this;
  }

  /**
   * @return A single preferred label which is the text to display beside the
   *         element indicating its meaning or to use to prompt for the element in
   *         a user display or form.
   */
  public String getLabel() {
    return this.label == null ? null : this.label.getValue();
  }

  /**
   * @param value A single preferred label which is the text to display beside the
   *              element indicating its meaning or to use to prompt for the
   *              element in a user display or form.
   */
  public ElementDefinition setLabel(String value) {
    if (Utilities.noString(value))
      this.label = null;
    else {
      if (this.label == null)
        this.label = new StringType();
      this.label.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #code} (A code that has the same meaning as the element in a
   *         particular terminology.)
   */
  public List<Coding> getCode() {
    if (this.code == null)
      this.code = new ArrayList<Coding>();
    return this.code;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public ElementDefinition setCode(List<Coding> theCode) {
    this.code = theCode;
    return this;
  }

  public boolean hasCode() {
    if (this.code == null)
      return false;
    for (Coding item : this.code)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public Coding addCode() { // 3
    Coding t = new Coding();
    if (this.code == null)
      this.code = new ArrayList<Coding>();
    this.code.add(t);
    return t;
  }

  public ElementDefinition addCode(Coding t) { // 3
    if (t == null)
      return this;
    if (this.code == null)
      this.code = new ArrayList<Coding>();
    this.code.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #code}, creating it if
   *         it does not already exist
   */
  public Coding getCodeFirstRep() {
    if (getCode().isEmpty()) {
      addCode();
    }
    return getCode().get(0);
  }

  /**
   * @return {@link #slicing} (Indicates that the element is sliced into a set of
   *         alternative definitions (i.e. in a structure definition, there are
   *         multiple different constraints on a single element in the base
   *         resource). Slicing can be used in any resource that has cardinality
   *         ..* on the base resource, or any resource with a choice of types. The
   *         set of slices is any elements that come after this in the element
   *         sequence that have the same path, until a shorter path occurs (the
   *         shorter path terminates the set).)
   */
  public ElementDefinitionSlicingComponent getSlicing() {
    if (this.slicing == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.slicing");
      else if (Configuration.doAutoCreate())
        this.slicing = new ElementDefinitionSlicingComponent(); // cc
    return this.slicing;
  }

  public boolean hasSlicing() {
    return this.slicing != null && !this.slicing.isEmpty();
  }

  /**
   * @param value {@link #slicing} (Indicates that the element is sliced into a
   *              set of alternative definitions (i.e. in a structure definition,
   *              there are multiple different constraints on a single element in
   *              the base resource). Slicing can be used in any resource that has
   *              cardinality ..* on the base resource, or any resource with a
   *              choice of types. The set of slices is any elements that come
   *              after this in the element sequence that have the same path,
   *              until a shorter path occurs (the shorter path terminates the
   *              set).)
   */
  public ElementDefinition setSlicing(ElementDefinitionSlicingComponent value) {
    this.slicing = value;
    return this;
  }

  /**
   * @return {@link #short_} (A concise description of what this element means
   *         (e.g. for use in autogenerated summaries).). This is the underlying
   *         object with id, value and extensions. The accessor "getShort" gives
   *         direct access to the value
   */
  public StringType getShortElement() {
    if (this.short_ == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.short_");
      else if (Configuration.doAutoCreate())
        this.short_ = new StringType(); // bb
    return this.short_;
  }

  public boolean hasShortElement() {
    return this.short_ != null && !this.short_.isEmpty();
  }

  public boolean hasShort() {
    return this.short_ != null && !this.short_.isEmpty();
  }

  /**
   * @param value {@link #short_} (A concise description of what this element
   *              means (e.g. for use in autogenerated summaries).). This is the
   *              underlying object with id, value and extensions. The accessor
   *              "getShort" gives direct access to the value
   */
  public ElementDefinition setShortElement(StringType value) {
    this.short_ = value;
    return this;
  }

  /**
   * @return A concise description of what this element means (e.g. for use in
   *         autogenerated summaries).
   */
  public String getShort() {
    return this.short_ == null ? null : this.short_.getValue();
  }

  /**
   * @param value A concise description of what this element means (e.g. for use
   *              in autogenerated summaries).
   */
  public ElementDefinition setShort(String value) {
    if (Utilities.noString(value))
      this.short_ = null;
    else {
      if (this.short_ == null)
        this.short_ = new StringType();
      this.short_.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #definition} (Provides a complete explanation of the meaning
   *         of the data element for human readability. For the case of elements
   *         derived from existing elements (e.g. constraints), the definition
   *         SHALL be consistent with the base definition, but convey the meaning
   *         of the element in the particular context of use of the resource.
   *         (Note: The text you are reading is specified in
   *         ElementDefinition.definition).). This is the underlying object with
   *         id, value and extensions. The accessor "getDefinition" gives direct
   *         access to the value
   */
  public MarkdownType getDefinitionElement() {
    if (this.definition == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.definition");
      else if (Configuration.doAutoCreate())
        this.definition = new MarkdownType(); // bb
    return this.definition;
  }

  public boolean hasDefinitionElement() {
    return this.definition != null && !this.definition.isEmpty();
  }

  public boolean hasDefinition() {
    return this.definition != null && !this.definition.isEmpty();
  }

  /**
   * @param value {@link #definition} (Provides a complete explanation of the
   *              meaning of the data element for human readability. For the case
   *              of elements derived from existing elements (e.g. constraints),
   *              the definition SHALL be consistent with the base definition, but
   *              convey the meaning of the element in the particular context of
   *              use of the resource. (Note: The text you are reading is
   *              specified in ElementDefinition.definition).). This is the
   *              underlying object with id, value and extensions. The accessor
   *              "getDefinition" gives direct access to the value
   */
  public ElementDefinition setDefinitionElement(MarkdownType value) {
    this.definition = value;
    return this;
  }

  /**
   * @return Provides a complete explanation of the meaning of the data element
   *         for human readability. For the case of elements derived from existing
   *         elements (e.g. constraints), the definition SHALL be consistent with
   *         the base definition, but convey the meaning of the element in the
   *         particular context of use of the resource. (Note: The text you are
   *         reading is specified in ElementDefinition.definition).
   */
  public String getDefinition() {
    return this.definition == null ? null : this.definition.getValue();
  }

  /**
   * @param value Provides a complete explanation of the meaning of the data
   *              element for human readability. For the case of elements derived
   *              from existing elements (e.g. constraints), the definition SHALL
   *              be consistent with the base definition, but convey the meaning
   *              of the element in the particular context of use of the resource.
   *              (Note: The text you are reading is specified in
   *              ElementDefinition.definition).
   */
  public ElementDefinition setDefinition(String value) {
    if (value == null)
      this.definition = null;
    else {
      if (this.definition == null)
        this.definition = new MarkdownType();
      this.definition.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #comment} (Explanatory notes and implementation guidance about
   *         the data element, including notes about how to use the data properly,
   *         exceptions to proper use, etc. (Note: The text you are reading is
   *         specified in ElementDefinition.comment).). This is the underlying
   *         object with id, value and extensions. The accessor "getComment" gives
   *         direct access to the value
   */
  public MarkdownType getCommentElement() {
    if (this.comment == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.comment");
      else if (Configuration.doAutoCreate())
        this.comment = new MarkdownType(); // bb
    return this.comment;
  }

  public boolean hasCommentElement() {
    return this.comment != null && !this.comment.isEmpty();
  }

  public boolean hasComment() {
    return this.comment != null && !this.comment.isEmpty();
  }

  /**
   * @param value {@link #comment} (Explanatory notes and implementation guidance
   *              about the data element, including notes about how to use the
   *              data properly, exceptions to proper use, etc. (Note: The text
   *              you are reading is specified in ElementDefinition.comment).).
   *              This is the underlying object with id, value and extensions. The
   *              accessor "getComment" gives direct access to the value
   */
  public ElementDefinition setCommentElement(MarkdownType value) {
    this.comment = value;
    return this;
  }

  /**
   * @return Explanatory notes and implementation guidance about the data element,
   *         including notes about how to use the data properly, exceptions to
   *         proper use, etc. (Note: The text you are reading is specified in
   *         ElementDefinition.comment).
   */
  public String getComment() {
    return this.comment == null ? null : this.comment.getValue();
  }

  /**
   * @param value Explanatory notes and implementation guidance about the data
   *              element, including notes about how to use the data properly,
   *              exceptions to proper use, etc. (Note: The text you are reading
   *              is specified in ElementDefinition.comment).
   */
  public ElementDefinition setComment(String value) {
    if (value == null)
      this.comment = null;
    else {
      if (this.comment == null)
        this.comment = new MarkdownType();
      this.comment.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #requirements} (This element is for traceability of why the
   *         element was created and why the constraints exist as they do. This
   *         may be used to point to source materials or specifications that drove
   *         the structure of this element.). This is the underlying object with
   *         id, value and extensions. The accessor "getRequirements" gives direct
   *         access to the value
   */
  public MarkdownType getRequirementsElement() {
    if (this.requirements == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.requirements");
      else if (Configuration.doAutoCreate())
        this.requirements = new MarkdownType(); // bb
    return this.requirements;
  }

  public boolean hasRequirementsElement() {
    return this.requirements != null && !this.requirements.isEmpty();
  }

  public boolean hasRequirements() {
    return this.requirements != null && !this.requirements.isEmpty();
  }

  /**
   * @param value {@link #requirements} (This element is for traceability of why
   *              the element was created and why the constraints exist as they
   *              do. This may be used to point to source materials or
   *              specifications that drove the structure of this element.). This
   *              is the underlying object with id, value and extensions. The
   *              accessor "getRequirements" gives direct access to the value
   */
  public ElementDefinition setRequirementsElement(MarkdownType value) {
    this.requirements = value;
    return this;
  }

  /**
   * @return This element is for traceability of why the element was created and
   *         why the constraints exist as they do. This may be used to point to
   *         source materials or specifications that drove the structure of this
   *         element.
   */
  public String getRequirements() {
    return this.requirements == null ? null : this.requirements.getValue();
  }

  /**
   * @param value This element is for traceability of why the element was created
   *              and why the constraints exist as they do. This may be used to
   *              point to source materials or specifications that drove the
   *              structure of this element.
   */
  public ElementDefinition setRequirements(String value) {
    if (value == null)
      this.requirements = null;
    else {
      if (this.requirements == null)
        this.requirements = new MarkdownType();
      this.requirements.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #alias} (Identifies additional names by which this element
   *         might also be known.)
   */
  public List<StringType> getAlias() {
    if (this.alias == null)
      this.alias = new ArrayList<StringType>();
    return this.alias;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public ElementDefinition setAlias(List<StringType> theAlias) {
    this.alias = theAlias;
    return this;
  }

  public boolean hasAlias() {
    if (this.alias == null)
      return false;
    for (StringType item : this.alias)
      if (!item.isEmpty())
        return true;
    return false;
  }

  /**
   * @return {@link #alias} (Identifies additional names by which this element
   *         might also be known.)
   */
  public StringType addAliasElement() {// 2
    StringType t = new StringType();
    if (this.alias == null)
      this.alias = new ArrayList<StringType>();
    this.alias.add(t);
    return t;
  }

  /**
   * @param value {@link #alias} (Identifies additional names by which this
   *              element might also be known.)
   */
  public ElementDefinition addAlias(String value) { // 1
    StringType t = new StringType();
    t.setValue(value);
    if (this.alias == null)
      this.alias = new ArrayList<StringType>();
    this.alias.add(t);
    return this;
  }

  /**
   * @param value {@link #alias} (Identifies additional names by which this
   *              element might also be known.)
   */
  public boolean hasAlias(String value) {
    if (this.alias == null)
      return false;
    for (StringType v : this.alias)
      if (v.getValue().equals(value)) // string
        return true;
    return false;
  }

  /**
   * @return {@link #min} (The minimum number of times this element SHALL appear
   *         in the instance.). This is the underlying object with id, value and
   *         extensions. The accessor "getMin" gives direct access to the value
   */
  public UnsignedIntType getMinElement() {
    if (this.min == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.min");
      else if (Configuration.doAutoCreate())
        this.min = new UnsignedIntType(); // bb
    return this.min;
  }

  public boolean hasMinElement() {
    return this.min != null && !this.min.isEmpty();
  }

  public boolean hasMin() {
    return this.min != null && !this.min.isEmpty();
  }

  /**
   * @param value {@link #min} (The minimum number of times this element SHALL
   *              appear in the instance.). This is the underlying object with id,
   *              value and extensions. The accessor "getMin" gives direct access
   *              to the value
   */
  public ElementDefinition setMinElement(UnsignedIntType value) {
    this.min = value;
    return this;
  }

  /**
   * @return The minimum number of times this element SHALL appear in the
   *         instance.
   */
  public int getMin() {
    return this.min == null || this.min.isEmpty() ? 0 : this.min.getValue();
  }

  /**
   * @param value The minimum number of times this element SHALL appear in the
   *              instance.
   */
  public ElementDefinition setMin(int value) {
    if (this.min == null)
      this.min = new UnsignedIntType();
    this.min.setValue(value);
    return this;
  }

  /**
   * @return {@link #max} (The maximum number of times this element is permitted
   *         to appear in the instance.). This is the underlying object with id,
   *         value and extensions. The accessor "getMax" gives direct access to
   *         the value
   */
  public StringType getMaxElement() {
    if (this.max == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.max");
      else if (Configuration.doAutoCreate())
        this.max = new StringType(); // bb
    return this.max;
  }

  public boolean hasMaxElement() {
    return this.max != null && !this.max.isEmpty();
  }

  public boolean hasMax() {
    return this.max != null && !this.max.isEmpty();
  }

  /**
   * @param value {@link #max} (The maximum number of times this element is
   *              permitted to appear in the instance.). This is the underlying
   *              object with id, value and extensions. The accessor "getMax"
   *              gives direct access to the value
   */
  public ElementDefinition setMaxElement(StringType value) {
    this.max = value;
    return this;
  }

  /**
   * @return The maximum number of times this element is permitted to appear in
   *         the instance.
   */
  public String getMax() {
    return this.max == null ? null : this.max.getValue();
  }

  /**
   * @param value The maximum number of times this element is permitted to appear
   *              in the instance.
   */
  public ElementDefinition setMax(String value) {
    if (Utilities.noString(value))
      this.max = null;
    else {
      if (this.max == null)
        this.max = new StringType();
      this.max.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #base} (Information about the base definition of the element,
   *         provided to make it unnecessary for tools to trace the deviation of
   *         the element through the derived and related profiles. When the
   *         element definition is not the original definition of an element -
   *         i.g. either in a constraint on another type, or for elements from a
   *         super type in a snap shot - then the information in provided in the
   *         element definition may be different to the base definition. On the
   *         original definition of the element, it will be same.)
   */
  public ElementDefinitionBaseComponent getBase() {
    if (this.base == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.base");
      else if (Configuration.doAutoCreate())
        this.base = new ElementDefinitionBaseComponent(); // cc
    return this.base;
  }

  public boolean hasBase() {
    return this.base != null && !this.base.isEmpty();
  }

  /**
   * @param value {@link #base} (Information about the base definition of the
   *              element, provided to make it unnecessary for tools to trace the
   *              deviation of the element through the derived and related
   *              profiles. When the element definition is not the original
   *              definition of an element - i.g. either in a constraint on
   *              another type, or for elements from a super type in a snap shot -
   *              then the information in provided in the element definition may
   *              be different to the base definition. On the original definition
   *              of the element, it will be same.)
   */
  public ElementDefinition setBase(ElementDefinitionBaseComponent value) {
    this.base = value;
    return this;
  }

  /**
   * @return {@link #contentReference} (Identifies an element defined elsewhere in
   *         the definition whose content rules should be applied to the current
   *         element. ContentReferences bring across all the rules that are in the
   *         ElementDefinition for the element, including definitions, cardinality
   *         constraints, bindings, invariants etc.). This is the underlying
   *         object with id, value and extensions. The accessor
   *         "getContentReference" gives direct access to the value
   */
  public UriType getContentReferenceElement() {
    if (this.contentReference == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.contentReference");
      else if (Configuration.doAutoCreate())
        this.contentReference = new UriType(); // bb
    return this.contentReference;
  }

  public boolean hasContentReferenceElement() {
    return this.contentReference != null && !this.contentReference.isEmpty();
  }

  public boolean hasContentReference() {
    return this.contentReference != null && !this.contentReference.isEmpty();
  }

  /**
   * @param value {@link #contentReference} (Identifies an element defined
   *              elsewhere in the definition whose content rules should be
   *              applied to the current element. ContentReferences bring across
   *              all the rules that are in the ElementDefinition for the element,
   *              including definitions, cardinality constraints, bindings,
   *              invariants etc.). This is the underlying object with id, value
   *              and extensions. The accessor "getContentReference" gives direct
   *              access to the value
   */
  public ElementDefinition setContentReferenceElement(UriType value) {
    this.contentReference = value;
    return this;
  }

  /**
   * @return Identifies an element defined elsewhere in the definition whose
   *         content rules should be applied to the current element.
   *         ContentReferences bring across all the rules that are in the
   *         ElementDefinition for the element, including definitions, cardinality
   *         constraints, bindings, invariants etc.
   */
  public String getContentReference() {
    return this.contentReference == null ? null : this.contentReference.getValue();
  }

  /**
   * @param value Identifies an element defined elsewhere in the definition whose
   *              content rules should be applied to the current element.
   *              ContentReferences bring across all the rules that are in the
   *              ElementDefinition for the element, including definitions,
   *              cardinality constraints, bindings, invariants etc.
   */
  public ElementDefinition setContentReference(String value) {
    if (Utilities.noString(value))
      this.contentReference = null;
    else {
      if (this.contentReference == null)
        this.contentReference = new UriType();
      this.contentReference.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #type} (The data type or resource that the value of this
   *         element is permitted to be.)
   */
  public List<TypeRefComponent> getType() {
    if (this.type == null)
      this.type = new ArrayList<TypeRefComponent>();
    return this.type;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public ElementDefinition setType(List<TypeRefComponent> theType) {
    this.type = theType;
    return this;
  }

  public boolean hasType() {
    if (this.type == null)
      return false;
    for (TypeRefComponent item : this.type)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public TypeRefComponent addType() { // 3
    TypeRefComponent t = new TypeRefComponent();
    if (this.type == null)
      this.type = new ArrayList<TypeRefComponent>();
    this.type.add(t);
    return t;
  }

  public ElementDefinition addType(TypeRefComponent t) { // 3
    if (t == null)
      return this;
    if (this.type == null)
      this.type = new ArrayList<TypeRefComponent>();
    this.type.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #type}, creating it if
   *         it does not already exist
   */
  public TypeRefComponent getTypeFirstRep() {
    if (getType().isEmpty()) {
      addType();
    }
    return getType().get(0);
  }

  /**
   * @return {@link #defaultValue} (The value that should be used if there is no
   *         value stated in the instance (e.g. 'if not otherwise specified, the
   *         abstract is false').)
   */
  public org.hl7.fhir.r4.model.Type getDefaultValue() {
    return this.defaultValue;
  }

  public boolean hasDefaultValue() {
    return this.defaultValue != null && !this.defaultValue.isEmpty();
  }

  /**
   * @param value {@link #defaultValue} (The value that should be used if there is
   *              no value stated in the instance (e.g. 'if not otherwise
   *              specified, the abstract is false').)
   */
  public ElementDefinition setDefaultValue(org.hl7.fhir.r4.model.Type value) {
    this.defaultValue = value;
    return this;
  }

  /**
   * @return {@link #meaningWhenMissing} (The Implicit meaning that is to be
   *         understood when this element is missing (e.g. 'when this element is
   *         missing, the period is ongoing').). This is the underlying object
   *         with id, value and extensions. The accessor "getMeaningWhenMissing"
   *         gives direct access to the value
   */
  public MarkdownType getMeaningWhenMissingElement() {
    if (this.meaningWhenMissing == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.meaningWhenMissing");
      else if (Configuration.doAutoCreate())
        this.meaningWhenMissing = new MarkdownType(); // bb
    return this.meaningWhenMissing;
  }

  public boolean hasMeaningWhenMissingElement() {
    return this.meaningWhenMissing != null && !this.meaningWhenMissing.isEmpty();
  }

  public boolean hasMeaningWhenMissing() {
    return this.meaningWhenMissing != null && !this.meaningWhenMissing.isEmpty();
  }

  /**
   * @param value {@link #meaningWhenMissing} (The Implicit meaning that is to be
   *              understood when this element is missing (e.g. 'when this element
   *              is missing, the period is ongoing').). This is the underlying
   *              object with id, value and extensions. The accessor
   *              "getMeaningWhenMissing" gives direct access to the value
   */
  public ElementDefinition setMeaningWhenMissingElement(MarkdownType value) {
    this.meaningWhenMissing = value;
    return this;
  }

  /**
   * @return The Implicit meaning that is to be understood when this element is
   *         missing (e.g. 'when this element is missing, the period is ongoing').
   */
  public String getMeaningWhenMissing() {
    return this.meaningWhenMissing == null ? null : this.meaningWhenMissing.getValue();
  }

  /**
   * @param value The Implicit meaning that is to be understood when this element
   *              is missing (e.g. 'when this element is missing, the period is
   *              ongoing').
   */
  public ElementDefinition setMeaningWhenMissing(String value) {
    if (value == null)
      this.meaningWhenMissing = null;
    else {
      if (this.meaningWhenMissing == null)
        this.meaningWhenMissing = new MarkdownType();
      this.meaningWhenMissing.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #orderMeaning} (If present, indicates that the order of the
   *         repeating element has meaning and describes what that meaning is. If
   *         absent, it means that the order of the element has no meaning.). This
   *         is the underlying object with id, value and extensions. The accessor
   *         "getOrderMeaning" gives direct access to the value
   */
  public StringType getOrderMeaningElement() {
    if (this.orderMeaning == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.orderMeaning");
      else if (Configuration.doAutoCreate())
        this.orderMeaning = new StringType(); // bb
    return this.orderMeaning;
  }

  public boolean hasOrderMeaningElement() {
    return this.orderMeaning != null && !this.orderMeaning.isEmpty();
  }

  public boolean hasOrderMeaning() {
    return this.orderMeaning != null && !this.orderMeaning.isEmpty();
  }

  /**
   * @param value {@link #orderMeaning} (If present, indicates that the order of
   *              the repeating element has meaning and describes what that
   *              meaning is. If absent, it means that the order of the element
   *              has no meaning.). This is the underlying object with id, value
   *              and extensions. The accessor "getOrderMeaning" gives direct
   *              access to the value
   */
  public ElementDefinition setOrderMeaningElement(StringType value) {
    this.orderMeaning = value;
    return this;
  }

  /**
   * @return If present, indicates that the order of the repeating element has
   *         meaning and describes what that meaning is. If absent, it means that
   *         the order of the element has no meaning.
   */
  public String getOrderMeaning() {
    return this.orderMeaning == null ? null : this.orderMeaning.getValue();
  }

  /**
   * @param value If present, indicates that the order of the repeating element
   *              has meaning and describes what that meaning is. If absent, it
   *              means that the order of the element has no meaning.
   */
  public ElementDefinition setOrderMeaning(String value) {
    if (Utilities.noString(value))
      this.orderMeaning = null;
    else {
      if (this.orderMeaning == null)
        this.orderMeaning = new StringType();
      this.orderMeaning.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #fixed} (Specifies a value that SHALL be exactly the value for
   *         this element in the instance. For purposes of comparison,
   *         non-significant whitespace is ignored, and all values must be an
   *         exact match (case and accent sensitive). Missing elements/attributes
   *         must also be missing.)
   */
  public org.hl7.fhir.r4.model.Type getFixed() {
    return this.fixed;
  }

  public boolean hasFixed() {
    return this.fixed != null && !this.fixed.isEmpty();
  }

  /**
   * @param value {@link #fixed} (Specifies a value that SHALL be exactly the
   *              value for this element in the instance. For purposes of
   *              comparison, non-significant whitespace is ignored, and all
   *              values must be an exact match (case and accent sensitive).
   *              Missing elements/attributes must also be missing.)
   */
  public ElementDefinition setFixed(org.hl7.fhir.r4.model.Type value) {
    this.fixed = value;
    return this;
  }

  /**
   * @return {@link #pattern} (Specifies a value that the value in the instance
   *         SHALL follow - that is, any value in the pattern must be found in the
   *         instance. Other additional values may be found too. This is
   *         effectively constraint by example.
   * 
   *         When pattern[x] is used to constrain a primitive, it means that the
   *         value provided in the pattern[x] must match the instance value
   *         exactly.
   * 
   *         When pattern[x] is used to constrain an array, it means that each
   *         element provided in the pattern[x] array must (recursively) match at
   *         least one element from the instance array.
   * 
   *         When pattern[x] is used to constrain a complex object, it means that
   *         each property in the pattern must be present in the complex object,
   *         and its value must recursively match -- i.e.,
   * 
   *         1. If primitive: it must match exactly the pattern value 2. If a
   *         complex object: it must match (recursively) the pattern value 3. If
   *         an array: it must match (recursively) the pattern value.)
   */
  public org.hl7.fhir.r4.model.Type getPattern() {
    return this.pattern;
  }

  public boolean hasPattern() {
    return this.pattern != null && !this.pattern.isEmpty();
  }

  /**
   * @param value {@link #pattern} (Specifies a value that the value in the
   *              instance SHALL follow - that is, any value in the pattern must
   *              be found in the instance. Other additional values may be found
   *              too. This is effectively constraint by example.
   * 
   *              When pattern[x] is used to constrain a primitive, it means that
   *              the value provided in the pattern[x] must match the instance
   *              value exactly.
   * 
   *              When pattern[x] is used to constrain an array, it means that
   *              each element provided in the pattern[x] array must (recursively)
   *              match at least one element from the instance array.
   * 
   *              When pattern[x] is used to constrain a complex object, it means
   *              that each property in the pattern must be present in the complex
   *              object, and its value must recursively match -- i.e.,
   * 
   *              1. If primitive: it must match exactly the pattern value 2. If a
   *              complex object: it must match (recursively) the pattern value 3.
   *              If an array: it must match (recursively) the pattern value.)
   */
  public ElementDefinition setPattern(org.hl7.fhir.r4.model.Type value) {
    this.pattern = value;
    return this;
  }

  /**
   * @return {@link #example} (A sample value for this element demonstrating the
   *         type of information that would typically be found in the element.)
   */
  public List<ElementDefinitionExampleComponent> getExample() {
    if (this.example == null)
      this.example = new ArrayList<ElementDefinitionExampleComponent>();
    return this.example;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public ElementDefinition setExample(List<ElementDefinitionExampleComponent> theExample) {
    this.example = theExample;
    return this;
  }

  public boolean hasExample() {
    if (this.example == null)
      return false;
    for (ElementDefinitionExampleComponent item : this.example)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public ElementDefinitionExampleComponent addExample() { // 3
    ElementDefinitionExampleComponent t = new ElementDefinitionExampleComponent();
    if (this.example == null)
      this.example = new ArrayList<ElementDefinitionExampleComponent>();
    this.example.add(t);
    return t;
  }

  public ElementDefinition addExample(ElementDefinitionExampleComponent t) { // 3
    if (t == null)
      return this;
    if (this.example == null)
      this.example = new ArrayList<ElementDefinitionExampleComponent>();
    this.example.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #example}, creating it
   *         if it does not already exist
   */
  public ElementDefinitionExampleComponent getExampleFirstRep() {
    if (getExample().isEmpty()) {
      addExample();
    }
    return getExample().get(0);
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public Type getMinValue() {
    return this.minValue;
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public DateType getMinValueDateType() throws FHIRException {
    if (this.minValue == null)
      this.minValue = new DateType();
    if (!(this.minValue instanceof DateType))
      throw new FHIRException("Type mismatch: the type DateType was expected, but " + this.minValue.getClass().getName()
          + " was encountered");
    return (DateType) this.minValue;
  }

  public boolean hasMinValueDateType() {
    return this != null && this.minValue instanceof DateType;
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public DateTimeType getMinValueDateTimeType() throws FHIRException {
    if (this.minValue == null)
      this.minValue = new DateTimeType();
    if (!(this.minValue instanceof DateTimeType))
      throw new FHIRException("Type mismatch: the type DateTimeType was expected, but "
          + this.minValue.getClass().getName() + " was encountered");
    return (DateTimeType) this.minValue;
  }

  public boolean hasMinValueDateTimeType() {
    return this != null && this.minValue instanceof DateTimeType;
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public InstantType getMinValueInstantType() throws FHIRException {
    if (this.minValue == null)
      this.minValue = new InstantType();
    if (!(this.minValue instanceof InstantType))
      throw new FHIRException("Type mismatch: the type InstantType was expected, but "
          + this.minValue.getClass().getName() + " was encountered");
    return (InstantType) this.minValue;
  }

  public boolean hasMinValueInstantType() {
    return this != null && this.minValue instanceof InstantType;
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public TimeType getMinValueTimeType() throws FHIRException {
    if (this.minValue == null)
      this.minValue = new TimeType();
    if (!(this.minValue instanceof TimeType))
      throw new FHIRException("Type mismatch: the type TimeType was expected, but " + this.minValue.getClass().getName()
          + " was encountered");
    return (TimeType) this.minValue;
  }

  public boolean hasMinValueTimeType() {
    return this != null && this.minValue instanceof TimeType;
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public DecimalType getMinValueDecimalType() throws FHIRException {
    if (this.minValue == null)
      this.minValue = new DecimalType();
    if (!(this.minValue instanceof DecimalType))
      throw new FHIRException("Type mismatch: the type DecimalType was expected, but "
          + this.minValue.getClass().getName() + " was encountered");
    return (DecimalType) this.minValue;
  }

  public boolean hasMinValueDecimalType() {
    return this != null && this.minValue instanceof DecimalType;
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public IntegerType getMinValueIntegerType() throws FHIRException {
    if (this.minValue == null)
      this.minValue = new IntegerType();
    if (!(this.minValue instanceof IntegerType))
      throw new FHIRException("Type mismatch: the type IntegerType was expected, but "
          + this.minValue.getClass().getName() + " was encountered");
    return (IntegerType) this.minValue;
  }

  public boolean hasMinValueIntegerType() {
    return this != null && this.minValue instanceof IntegerType;
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public PositiveIntType getMinValuePositiveIntType() throws FHIRException {
    if (this.minValue == null)
      this.minValue = new PositiveIntType();
    if (!(this.minValue instanceof PositiveIntType))
      throw new FHIRException("Type mismatch: the type PositiveIntType was expected, but "
          + this.minValue.getClass().getName() + " was encountered");
    return (PositiveIntType) this.minValue;
  }

  public boolean hasMinValuePositiveIntType() {
    return this != null && this.minValue instanceof PositiveIntType;
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public UnsignedIntType getMinValueUnsignedIntType() throws FHIRException {
    if (this.minValue == null)
      this.minValue = new UnsignedIntType();
    if (!(this.minValue instanceof UnsignedIntType))
      throw new FHIRException("Type mismatch: the type UnsignedIntType was expected, but "
          + this.minValue.getClass().getName() + " was encountered");
    return (UnsignedIntType) this.minValue;
  }

  public boolean hasMinValueUnsignedIntType() {
    return this != null && this.minValue instanceof UnsignedIntType;
  }

  /**
   * @return {@link #minValue} (The minimum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public Quantity getMinValueQuantity() throws FHIRException {
    if (this.minValue == null)
      this.minValue = new Quantity();
    if (!(this.minValue instanceof Quantity))
      throw new FHIRException("Type mismatch: the type Quantity was expected, but " + this.minValue.getClass().getName()
          + " was encountered");
    return (Quantity) this.minValue;
  }

  public boolean hasMinValueQuantity() {
    return this != null && this.minValue instanceof Quantity;
  }

  public boolean hasMinValue() {
    return this.minValue != null && !this.minValue.isEmpty();
  }

  /**
   * @param value {@link #minValue} (The minimum allowed value for the element.
   *              The value is inclusive. This is allowed for the types date,
   *              dateTime, instant, time, decimal, integer, and Quantity.)
   */
  public ElementDefinition setMinValue(Type value) {
    if (value != null && !(value instanceof DateType || value instanceof DateTimeType || value instanceof InstantType
        || value instanceof TimeType || value instanceof DecimalType || value instanceof IntegerType
        || value instanceof PositiveIntType || value instanceof UnsignedIntType || value instanceof Quantity))
      throw new Error("Not the right type for ElementDefinition.minValue[x]: " + value.fhirType());
    this.minValue = value;
    return this;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public Type getMaxValue() {
    return this.maxValue;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public DateType getMaxValueDateType() throws FHIRException {
    if (this.maxValue == null)
      this.maxValue = new DateType();
    if (!(this.maxValue instanceof DateType))
      throw new FHIRException("Type mismatch: the type DateType was expected, but " + this.maxValue.getClass().getName()
          + " was encountered");
    return (DateType) this.maxValue;
  }

  public boolean hasMaxValueDateType() {
    return this != null && this.maxValue instanceof DateType;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public DateTimeType getMaxValueDateTimeType() throws FHIRException {
    if (this.maxValue == null)
      this.maxValue = new DateTimeType();
    if (!(this.maxValue instanceof DateTimeType))
      throw new FHIRException("Type mismatch: the type DateTimeType was expected, but "
          + this.maxValue.getClass().getName() + " was encountered");
    return (DateTimeType) this.maxValue;
  }

  public boolean hasMaxValueDateTimeType() {
    return this != null && this.maxValue instanceof DateTimeType;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public InstantType getMaxValueInstantType() throws FHIRException {
    if (this.maxValue == null)
      this.maxValue = new InstantType();
    if (!(this.maxValue instanceof InstantType))
      throw new FHIRException("Type mismatch: the type InstantType was expected, but "
          + this.maxValue.getClass().getName() + " was encountered");
    return (InstantType) this.maxValue;
  }

  public boolean hasMaxValueInstantType() {
    return this != null && this.maxValue instanceof InstantType;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public TimeType getMaxValueTimeType() throws FHIRException {
    if (this.maxValue == null)
      this.maxValue = new TimeType();
    if (!(this.maxValue instanceof TimeType))
      throw new FHIRException("Type mismatch: the type TimeType was expected, but " + this.maxValue.getClass().getName()
          + " was encountered");
    return (TimeType) this.maxValue;
  }

  public boolean hasMaxValueTimeType() {
    return this != null && this.maxValue instanceof TimeType;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public DecimalType getMaxValueDecimalType() throws FHIRException {
    if (this.maxValue == null)
      this.maxValue = new DecimalType();
    if (!(this.maxValue instanceof DecimalType))
      throw new FHIRException("Type mismatch: the type DecimalType was expected, but "
          + this.maxValue.getClass().getName() + " was encountered");
    return (DecimalType) this.maxValue;
  }

  public boolean hasMaxValueDecimalType() {
    return this != null && this.maxValue instanceof DecimalType;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public IntegerType getMaxValueIntegerType() throws FHIRException {
    if (this.maxValue == null)
      this.maxValue = new IntegerType();
    if (!(this.maxValue instanceof IntegerType))
      throw new FHIRException("Type mismatch: the type IntegerType was expected, but "
          + this.maxValue.getClass().getName() + " was encountered");
    return (IntegerType) this.maxValue;
  }

  public boolean hasMaxValueIntegerType() {
    return this != null && this.maxValue instanceof IntegerType;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public PositiveIntType getMaxValuePositiveIntType() throws FHIRException {
    if (this.maxValue == null)
      this.maxValue = new PositiveIntType();
    if (!(this.maxValue instanceof PositiveIntType))
      throw new FHIRException("Type mismatch: the type PositiveIntType was expected, but "
          + this.maxValue.getClass().getName() + " was encountered");
    return (PositiveIntType) this.maxValue;
  }

  public boolean hasMaxValuePositiveIntType() {
    return this != null && this.maxValue instanceof PositiveIntType;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public UnsignedIntType getMaxValueUnsignedIntType() throws FHIRException {
    if (this.maxValue == null)
      this.maxValue = new UnsignedIntType();
    if (!(this.maxValue instanceof UnsignedIntType))
      throw new FHIRException("Type mismatch: the type UnsignedIntType was expected, but "
          + this.maxValue.getClass().getName() + " was encountered");
    return (UnsignedIntType) this.maxValue;
  }

  public boolean hasMaxValueUnsignedIntType() {
    return this != null && this.maxValue instanceof UnsignedIntType;
  }

  /**
   * @return {@link #maxValue} (The maximum allowed value for the element. The
   *         value is inclusive. This is allowed for the types date, dateTime,
   *         instant, time, decimal, integer, and Quantity.)
   */
  public Quantity getMaxValueQuantity() throws FHIRException {
    if (this.maxValue == null)
      this.maxValue = new Quantity();
    if (!(this.maxValue instanceof Quantity))
      throw new FHIRException("Type mismatch: the type Quantity was expected, but " + this.maxValue.getClass().getName()
          + " was encountered");
    return (Quantity) this.maxValue;
  }

  public boolean hasMaxValueQuantity() {
    return this != null && this.maxValue instanceof Quantity;
  }

  public boolean hasMaxValue() {
    return this.maxValue != null && !this.maxValue.isEmpty();
  }

  /**
   * @param value {@link #maxValue} (The maximum allowed value for the element.
   *              The value is inclusive. This is allowed for the types date,
   *              dateTime, instant, time, decimal, integer, and Quantity.)
   */
  public ElementDefinition setMaxValue(Type value) {
    if (value != null && !(value instanceof DateType || value instanceof DateTimeType || value instanceof InstantType
        || value instanceof TimeType || value instanceof DecimalType || value instanceof IntegerType
        || value instanceof PositiveIntType || value instanceof UnsignedIntType || value instanceof Quantity))
      throw new Error("Not the right type for ElementDefinition.maxValue[x]: " + value.fhirType());
    this.maxValue = value;
    return this;
  }

  /**
   * @return {@link #maxLength} (Indicates the maximum length in characters that
   *         is permitted to be present in conformant instances and which is
   *         expected to be supported by conformant consumers that support the
   *         element.). This is the underlying object with id, value and
   *         extensions. The accessor "getMaxLength" gives direct access to the
   *         value
   */
  public IntegerType getMaxLengthElement() {
    if (this.maxLength == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.maxLength");
      else if (Configuration.doAutoCreate())
        this.maxLength = new IntegerType(); // bb
    return this.maxLength;
  }

  public boolean hasMaxLengthElement() {
    return this.maxLength != null && !this.maxLength.isEmpty();
  }

  public boolean hasMaxLength() {
    return this.maxLength != null && !this.maxLength.isEmpty();
  }

  /**
   * @param value {@link #maxLength} (Indicates the maximum length in characters
   *              that is permitted to be present in conformant instances and
   *              which is expected to be supported by conformant consumers that
   *              support the element.). This is the underlying object with id,
   *              value and extensions. The accessor "getMaxLength" gives direct
   *              access to the value
   */
  public ElementDefinition setMaxLengthElement(IntegerType value) {
    this.maxLength = value;
    return this;
  }

  /**
   * @return Indicates the maximum length in characters that is permitted to be
   *         present in conformant instances and which is expected to be supported
   *         by conformant consumers that support the element.
   */
  public int getMaxLength() {
    return this.maxLength == null || this.maxLength.isEmpty() ? 0 : this.maxLength.getValue();
  }

  /**
   * @param value Indicates the maximum length in characters that is permitted to
   *              be present in conformant instances and which is expected to be
   *              supported by conformant consumers that support the element.
   */
  public ElementDefinition setMaxLength(int value) {
    if (this.maxLength == null)
      this.maxLength = new IntegerType();
    this.maxLength.setValue(value);
    return this;
  }

  /**
   * @return {@link #condition} (A reference to an invariant that may make
   *         additional statements about the cardinality or value in the
   *         instance.)
   */
  public List<IdType> getCondition() {
    if (this.condition == null)
      this.condition = new ArrayList<IdType>();
    return this.condition;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public ElementDefinition setCondition(List<IdType> theCondition) {
    this.condition = theCondition;
    return this;
  }

  public boolean hasCondition() {
    if (this.condition == null)
      return false;
    for (IdType item : this.condition)
      if (!item.isEmpty())
        return true;
    return false;
  }

  /**
   * @return {@link #condition} (A reference to an invariant that may make
   *         additional statements about the cardinality or value in the
   *         instance.)
   */
  public IdType addConditionElement() {// 2
    IdType t = new IdType();
    if (this.condition == null)
      this.condition = new ArrayList<IdType>();
    this.condition.add(t);
    return t;
  }

  /**
   * @param value {@link #condition} (A reference to an invariant that may make
   *              additional statements about the cardinality or value in the
   *              instance.)
   */
  public ElementDefinition addCondition(String value) { // 1
    IdType t = new IdType();
    t.setValue(value);
    if (this.condition == null)
      this.condition = new ArrayList<IdType>();
    this.condition.add(t);
    return this;
  }

  /**
   * @param value {@link #condition} (A reference to an invariant that may make
   *              additional statements about the cardinality or value in the
   *              instance.)
   */
  public boolean hasCondition(String value) {
    if (this.condition == null)
      return false;
    for (IdType v : this.condition)
      if (v.getValue().equals(value)) // id
        return true;
    return false;
  }

  /**
   * @return {@link #constraint} (Formal constraints such as co-occurrence and
   *         other constraints that can be computationally evaluated within the
   *         context of the instance.)
   */
  public List<ElementDefinitionConstraintComponent> getConstraint() {
    if (this.constraint == null)
      this.constraint = new ArrayList<ElementDefinitionConstraintComponent>();
    return this.constraint;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public ElementDefinition setConstraint(List<ElementDefinitionConstraintComponent> theConstraint) {
    this.constraint = theConstraint;
    return this;
  }

  public boolean hasConstraint() {
    if (this.constraint == null)
      return false;
    for (ElementDefinitionConstraintComponent item : this.constraint)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public ElementDefinitionConstraintComponent addConstraint() { // 3
    ElementDefinitionConstraintComponent t = new ElementDefinitionConstraintComponent();
    if (this.constraint == null)
      this.constraint = new ArrayList<ElementDefinitionConstraintComponent>();
    this.constraint.add(t);
    return t;
  }

  public ElementDefinition addConstraint(ElementDefinitionConstraintComponent t) { // 3
    if (t == null)
      return this;
    if (this.constraint == null)
      this.constraint = new ArrayList<ElementDefinitionConstraintComponent>();
    this.constraint.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #constraint}, creating
   *         it if it does not already exist
   */
  public ElementDefinitionConstraintComponent getConstraintFirstRep() {
    if (getConstraint().isEmpty()) {
      addConstraint();
    }
    return getConstraint().get(0);
  }

  /**
   * @return {@link #mustSupport} (If true, implementations that produce or
   *         consume resources SHALL provide "support" for the element in some
   *         meaningful way. If false, the element may be ignored and not
   *         supported. If false, whether to populate or use the data element in
   *         any way is at the discretion of the implementation.). This is the
   *         underlying object with id, value and extensions. The accessor
   *         "getMustSupport" gives direct access to the value
   */
  public BooleanType getMustSupportElement() {
    if (this.mustSupport == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.mustSupport");
      else if (Configuration.doAutoCreate())
        this.mustSupport = new BooleanType(); // bb
    return this.mustSupport;
  }

  public boolean hasMustSupportElement() {
    return this.mustSupport != null && !this.mustSupport.isEmpty();
  }

  public boolean hasMustSupport() {
    return this.mustSupport != null && !this.mustSupport.isEmpty();
  }

  /**
   * @param value {@link #mustSupport} (If true, implementations that produce or
   *              consume resources SHALL provide "support" for the element in
   *              some meaningful way. If false, the element may be ignored and
   *              not supported. If false, whether to populate or use the data
   *              element in any way is at the discretion of the implementation.).
   *              This is the underlying object with id, value and extensions. The
   *              accessor "getMustSupport" gives direct access to the value
   */
  public ElementDefinition setMustSupportElement(BooleanType value) {
    this.mustSupport = value;
    return this;
  }

  /**
   * @return If true, implementations that produce or consume resources SHALL
   *         provide "support" for the element in some meaningful way. If false,
   *         the element may be ignored and not supported. If false, whether to
   *         populate or use the data element in any way is at the discretion of
   *         the implementation.
   */
  public boolean getMustSupport() {
    return this.mustSupport == null || this.mustSupport.isEmpty() ? false : this.mustSupport.getValue();
  }

  /**
   * @param value If true, implementations that produce or consume resources SHALL
   *              provide "support" for the element in some meaningful way. If
   *              false, the element may be ignored and not supported. If false,
   *              whether to populate or use the data element in any way is at the
   *              discretion of the implementation.
   */
  public ElementDefinition setMustSupport(boolean value) {
    if (this.mustSupport == null)
      this.mustSupport = new BooleanType();
    this.mustSupport.setValue(value);
    return this;
  }

  /**
   * @return {@link #isModifier} (If true, the value of this element affects the
   *         interpretation of the element or resource that contains it, and the
   *         value of the element cannot be ignored. Typically, this is used for
   *         status, negation and qualification codes. The effect of this is that
   *         the element cannot be ignored by systems: they SHALL either recognize
   *         the element and process it, and/or a pre-determination has been made
   *         that it is not relevant to their particular system.). This is the
   *         underlying object with id, value and extensions. The accessor
   *         "getIsModifier" gives direct access to the value
   */
  public BooleanType getIsModifierElement() {
    if (this.isModifier == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.isModifier");
      else if (Configuration.doAutoCreate())
        this.isModifier = new BooleanType(); // bb
    return this.isModifier;
  }

  public boolean hasIsModifierElement() {
    return this.isModifier != null && !this.isModifier.isEmpty();
  }

  public boolean hasIsModifier() {
    return this.isModifier != null && !this.isModifier.isEmpty();
  }

  /**
   * @param value {@link #isModifier} (If true, the value of this element affects
   *              the interpretation of the element or resource that contains it,
   *              and the value of the element cannot be ignored. Typically, this
   *              is used for status, negation and qualification codes. The effect
   *              of this is that the element cannot be ignored by systems: they
   *              SHALL either recognize the element and process it, and/or a
   *              pre-determination has been made that it is not relevant to their
   *              particular system.). This is the underlying object with id,
   *              value and extensions. The accessor "getIsModifier" gives direct
   *              access to the value
   */
  public ElementDefinition setIsModifierElement(BooleanType value) {
    this.isModifier = value;
    return this;
  }

  /**
   * @return If true, the value of this element affects the interpretation of the
   *         element or resource that contains it, and the value of the element
   *         cannot be ignored. Typically, this is used for status, negation and
   *         qualification codes. The effect of this is that the element cannot be
   *         ignored by systems: they SHALL either recognize the element and
   *         process it, and/or a pre-determination has been made that it is not
   *         relevant to their particular system.
   */
  public boolean getIsModifier() {
    return this.isModifier == null || this.isModifier.isEmpty() ? false : this.isModifier.getValue();
  }

  /**
   * @param value If true, the value of this element affects the interpretation of
   *              the element or resource that contains it, and the value of the
   *              element cannot be ignored. Typically, this is used for status,
   *              negation and qualification codes. The effect of this is that the
   *              element cannot be ignored by systems: they SHALL either
   *              recognize the element and process it, and/or a pre-determination
   *              has been made that it is not relevant to their particular
   *              system.
   */
  public ElementDefinition setIsModifier(boolean value) {
    if (this.isModifier == null)
      this.isModifier = new BooleanType();
    this.isModifier.setValue(value);
    return this;
  }

  /**
   * @return {@link #isModifierReason} (Explains how that element affects the
   *         interpretation of the resource or element that contains it.). This is
   *         the underlying object with id, value and extensions. The accessor
   *         "getIsModifierReason" gives direct access to the value
   */
  public StringType getIsModifierReasonElement() {
    if (this.isModifierReason == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.isModifierReason");
      else if (Configuration.doAutoCreate())
        this.isModifierReason = new StringType(); // bb
    return this.isModifierReason;
  }

  public boolean hasIsModifierReasonElement() {
    return this.isModifierReason != null && !this.isModifierReason.isEmpty();
  }

  public boolean hasIsModifierReason() {
    return this.isModifierReason != null && !this.isModifierReason.isEmpty();
  }

  /**
   * @param value {@link #isModifierReason} (Explains how that element affects the
   *              interpretation of the resource or element that contains it.).
   *              This is the underlying object with id, value and extensions. The
   *              accessor "getIsModifierReason" gives direct access to the value
   */
  public ElementDefinition setIsModifierReasonElement(StringType value) {
    this.isModifierReason = value;
    return this;
  }

  /**
   * @return Explains how that element affects the interpretation of the resource
   *         or element that contains it.
   */
  public String getIsModifierReason() {
    return this.isModifierReason == null ? null : this.isModifierReason.getValue();
  }

  /**
   * @param value Explains how that element affects the interpretation of the
   *              resource or element that contains it.
   */
  public ElementDefinition setIsModifierReason(String value) {
    if (Utilities.noString(value))
      this.isModifierReason = null;
    else {
      if (this.isModifierReason == null)
        this.isModifierReason = new StringType();
      this.isModifierReason.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #isSummary} (Whether the element should be included if a
   *         client requests a search with the parameter _summary=true.). This is
   *         the underlying object with id, value and extensions. The accessor
   *         "getIsSummary" gives direct access to the value
   */
  public BooleanType getIsSummaryElement() {
    if (this.isSummary == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.isSummary");
      else if (Configuration.doAutoCreate())
        this.isSummary = new BooleanType(); // bb
    return this.isSummary;
  }

  public boolean hasIsSummaryElement() {
    return this.isSummary != null && !this.isSummary.isEmpty();
  }

  public boolean hasIsSummary() {
    return this.isSummary != null && !this.isSummary.isEmpty();
  }

  /**
   * @param value {@link #isSummary} (Whether the element should be included if a
   *              client requests a search with the parameter _summary=true.).
   *              This is the underlying object with id, value and extensions. The
   *              accessor "getIsSummary" gives direct access to the value
   */
  public ElementDefinition setIsSummaryElement(BooleanType value) {
    this.isSummary = value;
    return this;
  }

  /**
   * @return Whether the element should be included if a client requests a search
   *         with the parameter _summary=true.
   */
  public boolean getIsSummary() {
    return this.isSummary == null || this.isSummary.isEmpty() ? false : this.isSummary.getValue();
  }

  /**
   * @param value Whether the element should be included if a client requests a
   *              search with the parameter _summary=true.
   */
  public ElementDefinition setIsSummary(boolean value) {
    if (this.isSummary == null)
      this.isSummary = new BooleanType();
    this.isSummary.setValue(value);
    return this;
  }

  /**
   * @return {@link #binding} (Binds to a value set if this element is coded
   *         (code, Coding, CodeableConcept, Quantity), or the data types (string,
   *         uri).)
   */
  public ElementDefinitionBindingComponent getBinding() {
    if (this.binding == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ElementDefinition.binding");
      else if (Configuration.doAutoCreate())
        this.binding = new ElementDefinitionBindingComponent(); // cc
    return this.binding;
  }

  public boolean hasBinding() {
    return this.binding != null && !this.binding.isEmpty();
  }

  /**
   * @param value {@link #binding} (Binds to a value set if this element is coded
   *              (code, Coding, CodeableConcept, Quantity), or the data types
   *              (string, uri).)
   */
  public ElementDefinition setBinding(ElementDefinitionBindingComponent value) {
    this.binding = value;
    return this;
  }

  /**
   * @return {@link #mapping} (Identifies a concept from an external specification
   *         that roughly corresponds to this element.)
   */
  public List<ElementDefinitionMappingComponent> getMapping() {
    if (this.mapping == null)
      this.mapping = new ArrayList<ElementDefinitionMappingComponent>();
    return this.mapping;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public ElementDefinition setMapping(List<ElementDefinitionMappingComponent> theMapping) {
    this.mapping = theMapping;
    return this;
  }

  public boolean hasMapping() {
    if (this.mapping == null)
      return false;
    for (ElementDefinitionMappingComponent item : this.mapping)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public ElementDefinitionMappingComponent addMapping() { // 3
    ElementDefinitionMappingComponent t = new ElementDefinitionMappingComponent();
    if (this.mapping == null)
      this.mapping = new ArrayList<ElementDefinitionMappingComponent>();
    this.mapping.add(t);
    return t;
  }

  public ElementDefinition addMapping(ElementDefinitionMappingComponent t) { // 3
    if (t == null)
      return this;
    if (this.mapping == null)
      this.mapping = new ArrayList<ElementDefinitionMappingComponent>();
    this.mapping.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #mapping}, creating it
   *         if it does not already exist
   */
  public ElementDefinitionMappingComponent getMappingFirstRep() {
    if (getMapping().isEmpty()) {
      addMapping();
    }
    return getMapping().get(0);
  }

  protected void listChildren(List<Property> children) {
    super.listChildren(children);
    children.add(new Property("path", "string",
        "The path identifies the element and is expressed as a \".\"-separated list of ancestor elements, beginning with the name of the resource or extension.",
        0, 1, path));
    children.add(new Property("representation", "code",
        "Codes that define how this element is represented in instances, when the deviation varies from the normal case.",
        0, java.lang.Integer.MAX_VALUE, representation));
    children.add(new Property("sliceName", "string",
        "The name of this element definition slice, when slicing is working. The name must be a token with no dots or spaces. This is a unique name referring to a specific set of constraints applied to this element, used to provide a name to different slices of the same element.",
        0, 1, sliceName));
    children.add(new Property("sliceIsConstraining", "boolean",
        "If true, indicates that this slice definition is constraining a slice definition with the same name in an inherited profile. If false, the slice is not overriding any slice in an inherited profile. If missing, the slice might or might not be overriding a slice in an inherited profile, depending on the sliceName.",
        0, 1, sliceIsConstraining));
    children.add(new Property("label", "string",
        "A single preferred label which is the text to display beside the element indicating its meaning or to use to prompt for the element in a user display or form.",
        0, 1, label));
    children.add(
        new Property("code", "Coding", "A code that has the same meaning as the element in a particular terminology.",
            0, java.lang.Integer.MAX_VALUE, code));
    children.add(new Property("slicing", "",
        "Indicates that the element is sliced into a set of alternative definitions (i.e. in a structure definition, there are multiple different constraints on a single element in the base resource). Slicing can be used in any resource that has cardinality ..* on the base resource, or any resource with a choice of types. The set of slices is any elements that come after this in the element sequence that have the same path, until a shorter path occurs (the shorter path terminates the set).",
        0, 1, slicing));
    children.add(new Property("short", "string",
        "A concise description of what this element means (e.g. for use in autogenerated summaries).", 0, 1, short_));
    children.add(new Property("definition", "markdown",
        "Provides a complete explanation of the meaning of the data element for human readability.  For the case of elements derived from existing elements (e.g. constraints), the definition SHALL be consistent with the base definition, but convey the meaning of the element in the particular context of use of the resource. (Note: The text you are reading is specified in ElementDefinition.definition).",
        0, 1, definition));
    children.add(new Property("comment", "markdown",
        "Explanatory notes and implementation guidance about the data element, including notes about how to use the data properly, exceptions to proper use, etc. (Note: The text you are reading is specified in ElementDefinition.comment).",
        0, 1, comment));
    children.add(new Property("requirements", "markdown",
        "This element is for traceability of why the element was created and why the constraints exist as they do. This may be used to point to source materials or specifications that drove the structure of this element.",
        0, 1, requirements));
    children
        .add(new Property("alias", "string", "Identifies additional names by which this element might also be known.",
            0, java.lang.Integer.MAX_VALUE, alias));
    children.add(new Property("min", "unsignedInt",
        "The minimum number of times this element SHALL appear in the instance.", 0, 1, min));
    children.add(new Property("max", "string",
        "The maximum number of times this element is permitted to appear in the instance.", 0, 1, max));
    children.add(new Property("base", "",
        "Information about the base definition of the element, provided to make it unnecessary for tools to trace the deviation of the element through the derived and related profiles. When the element definition is not the original definition of an element - i.g. either in a constraint on another type, or for elements from a super type in a snap shot - then the information in provided in the element definition may be different to the base definition. On the original definition of the element, it will be same.",
        0, 1, base));
    children.add(new Property("contentReference", "uri",
        "Identifies an element defined elsewhere in the definition whose content rules should be applied to the current element. ContentReferences bring across all the rules that are in the ElementDefinition for the element, including definitions, cardinality constraints, bindings, invariants etc.",
        0, 1, contentReference));
    children
        .add(new Property("type", "", "The data type or resource that the value of this element is permitted to be.", 0,
            java.lang.Integer.MAX_VALUE, type));
    children.add(new Property("defaultValue[x]", "*",
        "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
        0, 1, defaultValue));
    children.add(new Property("meaningWhenMissing", "markdown",
        "The Implicit meaning that is to be understood when this element is missing (e.g. 'when this element is missing, the period is ongoing').",
        0, 1, meaningWhenMissing));
    children.add(new Property("orderMeaning", "string",
        "If present, indicates that the order of the repeating element has meaning and describes what that meaning is.  If absent, it means that the order of the element has no meaning.",
        0, 1, orderMeaning));
    children.add(new Property("fixed[x]", "*",
        "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
        0, 1, fixed));
    children.add(new Property("pattern[x]", "*",
        "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
        0, 1, pattern));
    children.add(new Property("example", "",
        "A sample value for this element demonstrating the type of information that would typically be found in the element.",
        0, java.lang.Integer.MAX_VALUE, example));
    children.add(new Property("minValue[x]",
        "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
        "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
        0, 1, minValue));
    children.add(new Property("maxValue[x]",
        "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
        "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
        0, 1, maxValue));
    children.add(new Property("maxLength", "integer",
        "Indicates the maximum length in characters that is permitted to be present in conformant instances and which is expected to be supported by conformant consumers that support the element.",
        0, 1, maxLength));
    children.add(new Property("condition", "id",
        "A reference to an invariant that may make additional statements about the cardinality or value in the instance.",
        0, java.lang.Integer.MAX_VALUE, condition));
    children.add(new Property("constraint", "",
        "Formal constraints such as co-occurrence and other constraints that can be computationally evaluated within the context of the instance.",
        0, java.lang.Integer.MAX_VALUE, constraint));
    children.add(new Property("mustSupport", "boolean",
        "If true, implementations that produce or consume resources SHALL provide \"support\" for the element in some meaningful way.  If false, the element may be ignored and not supported. If false, whether to populate or use the data element in any way is at the discretion of the implementation.",
        0, 1, mustSupport));
    children.add(new Property("isModifier", "boolean",
        "If true, the value of this element affects the interpretation of the element or resource that contains it, and the value of the element cannot be ignored. Typically, this is used for status, negation and qualification codes. The effect of this is that the element cannot be ignored by systems: they SHALL either recognize the element and process it, and/or a pre-determination has been made that it is not relevant to their particular system.",
        0, 1, isModifier));
    children.add(new Property("isModifierReason", "string",
        "Explains how that element affects the interpretation of the resource or element that contains it.", 0, 1,
        isModifierReason));
    children.add(new Property("isSummary", "boolean",
        "Whether the element should be included if a client requests a search with the parameter _summary=true.", 0, 1,
        isSummary));
    children.add(new Property("binding", "",
        "Binds to a value set if this element is coded (code, Coding, CodeableConcept, Quantity), or the data types (string, uri).",
        0, 1, binding));
    children.add(new Property("mapping", "",
        "Identifies a concept from an external specification that roughly corresponds to this element.", 0,
        java.lang.Integer.MAX_VALUE, mapping));
  }

  @Override
  public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
    switch (_hash) {
    case 3433509:
      /* path */ return new Property("path", "string",
          "The path identifies the element and is expressed as a \".\"-separated list of ancestor elements, beginning with the name of the resource or extension.",
          0, 1, path);
    case -671065907:
      /* representation */ return new Property("representation", "code",
          "Codes that define how this element is represented in instances, when the deviation varies from the normal case.",
          0, java.lang.Integer.MAX_VALUE, representation);
    case -825289923:
      /* sliceName */ return new Property("sliceName", "string",
          "The name of this element definition slice, when slicing is working. The name must be a token with no dots or spaces. This is a unique name referring to a specific set of constraints applied to this element, used to provide a name to different slices of the same element.",
          0, 1, sliceName);
    case 333040519:
      /* sliceIsConstraining */ return new Property("sliceIsConstraining", "boolean",
          "If true, indicates that this slice definition is constraining a slice definition with the same name in an inherited profile. If false, the slice is not overriding any slice in an inherited profile. If missing, the slice might or might not be overriding a slice in an inherited profile, depending on the sliceName.",
          0, 1, sliceIsConstraining);
    case 102727412:
      /* label */ return new Property("label", "string",
          "A single preferred label which is the text to display beside the element indicating its meaning or to use to prompt for the element in a user display or form.",
          0, 1, label);
    case 3059181:
      /* code */ return new Property("code", "Coding",
          "A code that has the same meaning as the element in a particular terminology.", 0,
          java.lang.Integer.MAX_VALUE, code);
    case -2119287345:
      /* slicing */ return new Property("slicing", "",
          "Indicates that the element is sliced into a set of alternative definitions (i.e. in a structure definition, there are multiple different constraints on a single element in the base resource). Slicing can be used in any resource that has cardinality ..* on the base resource, or any resource with a choice of types. The set of slices is any elements that come after this in the element sequence that have the same path, until a shorter path occurs (the shorter path terminates the set).",
          0, 1, slicing);
    case 109413500:
      /* short */ return new Property("short", "string",
          "A concise description of what this element means (e.g. for use in autogenerated summaries).", 0, 1, short_);
    case -1014418093:
      /* definition */ return new Property("definition", "markdown",
          "Provides a complete explanation of the meaning of the data element for human readability.  For the case of elements derived from existing elements (e.g. constraints), the definition SHALL be consistent with the base definition, but convey the meaning of the element in the particular context of use of the resource. (Note: The text you are reading is specified in ElementDefinition.definition).",
          0, 1, definition);
    case 950398559:
      /* comment */ return new Property("comment", "markdown",
          "Explanatory notes and implementation guidance about the data element, including notes about how to use the data properly, exceptions to proper use, etc. (Note: The text you are reading is specified in ElementDefinition.comment).",
          0, 1, comment);
    case -1619874672:
      /* requirements */ return new Property("requirements", "markdown",
          "This element is for traceability of why the element was created and why the constraints exist as they do. This may be used to point to source materials or specifications that drove the structure of this element.",
          0, 1, requirements);
    case 92902992:
      /* alias */ return new Property("alias", "string",
          "Identifies additional names by which this element might also be known.", 0, java.lang.Integer.MAX_VALUE,
          alias);
    case 108114:
      /* min */ return new Property("min", "unsignedInt",
          "The minimum number of times this element SHALL appear in the instance.", 0, 1, min);
    case 107876:
      /* max */ return new Property("max", "string",
          "The maximum number of times this element is permitted to appear in the instance.", 0, 1, max);
    case 3016401:
      /* base */ return new Property("base", "",
          "Information about the base definition of the element, provided to make it unnecessary for tools to trace the deviation of the element through the derived and related profiles. When the element definition is not the original definition of an element - i.g. either in a constraint on another type, or for elements from a super type in a snap shot - then the information in provided in the element definition may be different to the base definition. On the original definition of the element, it will be same.",
          0, 1, base);
    case 1193747154:
      /* contentReference */ return new Property("contentReference", "uri",
          "Identifies an element defined elsewhere in the definition whose content rules should be applied to the current element. ContentReferences bring across all the rules that are in the ElementDefinition for the element, including definitions, cardinality constraints, bindings, invariants etc.",
          0, 1, contentReference);
    case 3575610:
      /* type */ return new Property("type", "",
          "The data type or resource that the value of this element is permitted to be.", 0,
          java.lang.Integer.MAX_VALUE, type);
    case 587922128:
      /* defaultValue[x] */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -659125328:
      /* defaultValue */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 1470297600:
      /* defaultValueBase64Binary */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 600437336:
      /* defaultValueBoolean */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 264593188:
      /* defaultValueCanonical */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 1044993469:
      /* defaultValueCode */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 1045010302:
      /* defaultValueDate */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 1220374379:
      /* defaultValueDateTime */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 2077989249:
      /* defaultValueDecimal */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -2059245333:
      /* defaultValueId */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -1801671663:
      /* defaultValueInstant */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -1801189522:
      /* defaultValueInteger */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -325436225:
      /* defaultValueMarkdown */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 587910138:
      /* defaultValueOid */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -737344154:
      /* defaultValuePositiveInt */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -320515103:
      /* defaultValueString */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 1045494429:
      /* defaultValueTime */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 539117290:
      /* defaultValueUnsignedInt */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 587916188:
      /* defaultValueUri */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 587916191:
      /* defaultValueUrl */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 1045535627:
      /* defaultValueUuid */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -611966428:
      /* defaultValueAddress */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -1851689217:
      /* defaultValueAnnotation */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 2034820339:
      /* defaultValueAttachment */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -410434095:
      /* defaultValueCodeableConcept */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -783616198:
      /* defaultValueCoding */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -344740576:
      /* defaultValueContactPoint */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -975393912:
      /* defaultValueHumanName */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -1915078535:
      /* defaultValueIdentifier */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -420255343:
      /* defaultValuePeriod */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -1857379237:
      /* defaultValueQuantity */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -1951495315:
      /* defaultValueRange */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -1951489477:
      /* defaultValueRatio */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -1488914053:
      /* defaultValueReference */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -449641228:
      /* defaultValueSampledData */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 509825768:
      /* defaultValueSignature */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -302193638:
      /* defaultValueTiming */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case -754548089:
      /* defaultValueDosage */ return new Property("defaultValue[x]", "*",
          "The value that should be used if there is no value stated in the instance (e.g. 'if not otherwise specified, the abstract is false').",
          0, 1, defaultValue);
    case 1857257103:
      /* meaningWhenMissing */ return new Property("meaningWhenMissing", "markdown",
          "The Implicit meaning that is to be understood when this element is missing (e.g. 'when this element is missing, the period is ongoing').",
          0, 1, meaningWhenMissing);
    case 1828196047:
      /* orderMeaning */ return new Property("orderMeaning", "string",
          "If present, indicates that the order of the repeating element has meaning and describes what that meaning is.  If absent, it means that the order of the element has no meaning.",
          0, 1, orderMeaning);
    case -391522164:
      /* fixed[x] */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 97445748:
      /* fixed */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -799290428:
      /* fixedBase64Binary */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 520851988:
      /* fixedBoolean */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1092485088:
      /* fixedCanonical */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 746991489:
      /* fixedCode */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 747008322:
      /* fixedDate */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -1246771409:
      /* fixedDateTime */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1998403901:
      /* fixedDecimal */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -843914321:
      /* fixedId */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -1881257011:
      /* fixedInstant */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -1880774870:
      /* fixedInteger */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1502385283:
      /* fixedMarkdown */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -391534154:
      /* fixedOid */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 297821986:
      /* fixedPositiveInt */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1062390949:
      /* fixedString */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 747492449:
      /* fixedTime */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1574283430:
      /* fixedUnsignedInt */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -391528104:
      /* fixedUri */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -391528101:
      /* fixedUrl */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 747533647:
      /* fixedUuid */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -691551776:
      /* fixedAddress */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -1956844093:
      /* fixedAnnotation */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1929665463:
      /* fixedAttachment */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1962764685:
      /* fixedCodeableConcept */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 599289854:
      /* fixedCoding */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1680638692:
      /* fixedContactPoint */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -147502012:
      /* fixedHumanName */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -2020233411:
      /* fixedIdentifier */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 962650709:
      /* fixedPeriod */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -29557729:
      /* fixedQuantity */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1695345193:
      /* fixedRange */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1695351031:
      /* fixedRatio */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -661022153:
      /* fixedReference */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 585524912:
      /* fixedSampledData */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1337717668:
      /* fixedSignature */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 1080712414:
      /* fixedTiming */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case 628357963:
      /* fixedDosage */ return new Property("fixed[x]", "*",
          "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
          0, 1, fixed);
    case -885125392:
      /* pattern[x] */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -791090288:
      /* pattern */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 2127857120:
      /* patternBase64Binary */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -1776945544:
      /* patternBoolean */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 522246980:
      /* patternCanonical */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -1669806691:
      /* patternCode */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -1669789858:
      /* patternDate */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 535949131:
      /* patternDateTime */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -299393631:
      /* patternDecimal */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -28553013:
      /* patternId */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 115912753:
      /* patternInstant */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 116394894:
      /* patternInteger */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -1009861473:
      /* patternMarkdown */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -885137382:
      /* patternOid */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 2054814086:
      /* patternPositiveInt */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 2096647105:
      /* patternString */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -1669305731:
      /* patternTime */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -963691766:
      /* patternUnsignedInt */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -885131332:
      /* patternUri */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -885131329:
      /* patternUrl */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -1669264533:
      /* patternUuid */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 1305617988:
      /* patternAddress */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 1840611039:
      /* patternAnnotation */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 1432153299:
      /* patternAttachment */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -400610831:
      /* patternCodeableConcept */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 1633546010:
      /* patternCoding */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 312818944:
      /* patternContactPoint */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -717740120:
      /* patternHumanName */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 1777221721:
      /* patternIdentifier */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 1996906865:
      /* patternPeriod */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 1753162811:
      /* patternQuantity */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -210954355:
      /* patternRange */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -210948517:
      /* patternRatio */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -1231260261:
      /* patternReference */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -1952450284:
      /* patternSampledData */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 767479560:
      /* patternSignature */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 2114968570:
      /* patternTiming */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case 1662614119:
      /* patternDosage */ return new Property("pattern[x]", "*",
          "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
          0, 1, pattern);
    case -1322970774:
      /* example */ return new Property("example", "",
          "A sample value for this element demonstrating the type of information that would typically be found in the element.",
          0, java.lang.Integer.MAX_VALUE, example);
    case -55301663:
      /* minValue[x] */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case -1376969153:
      /* minValue */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case -1715058035:
      /* minValueDate */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case 1635517178:
      /* minValueDateTime */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case 151382690:
      /* minValueInstant */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case -1714573908:
      /* minValueTime */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case -263923694:
      /* minValueDecimal */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case 151864831:
      /* minValueInteger */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case 1570935671:
      /* minValuePositiveInt */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case -1447570181:
      /* minValueUnsignedInt */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case -1442236438:
      /* minValueQuantity */ return new Property("minValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The minimum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, minValue);
    case 622130931:
      /* maxValue[x] */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case 399227501:
      /* maxValue */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case 2105483195:
      /* maxValueDate */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case 1699385640:
      /* maxValueDateTime */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case 1261821620:
      /* maxValueInstant */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case 2105967322:
      /* maxValueTime */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case 846515236:
      /* maxValueDecimal */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case 1262303761:
      /* maxValueInteger */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case 1605774985:
      /* maxValuePositiveInt */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case -1412730867:
      /* maxValueUnsignedInt */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case -1378367976:
      /* maxValueQuantity */ return new Property("maxValue[x]",
          "date|dateTime|instant|time|decimal|integer|positiveInt|unsignedInt|Quantity",
          "The maximum allowed value for the element. The value is inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer, and Quantity.",
          0, 1, maxValue);
    case -791400086:
      /* maxLength */ return new Property("maxLength", "integer",
          "Indicates the maximum length in characters that is permitted to be present in conformant instances and which is expected to be supported by conformant consumers that support the element.",
          0, 1, maxLength);
    case -861311717:
      /* condition */ return new Property("condition", "id",
          "A reference to an invariant that may make additional statements about the cardinality or value in the instance.",
          0, java.lang.Integer.MAX_VALUE, condition);
    case -190376483:
      /* constraint */ return new Property("constraint", "",
          "Formal constraints such as co-occurrence and other constraints that can be computationally evaluated within the context of the instance.",
          0, java.lang.Integer.MAX_VALUE, constraint);
    case -1402857082:
      /* mustSupport */ return new Property("mustSupport", "boolean",
          "If true, implementations that produce or consume resources SHALL provide \"support\" for the element in some meaningful way.  If false, the element may be ignored and not supported. If false, whether to populate or use the data element in any way is at the discretion of the implementation.",
          0, 1, mustSupport);
    case -1408783839:
      /* isModifier */ return new Property("isModifier", "boolean",
          "If true, the value of this element affects the interpretation of the element or resource that contains it, and the value of the element cannot be ignored. Typically, this is used for status, negation and qualification codes. The effect of this is that the element cannot be ignored by systems: they SHALL either recognize the element and process it, and/or a pre-determination has been made that it is not relevant to their particular system.",
          0, 1, isModifier);
    case -1854387259:
      /* isModifierReason */ return new Property("isModifierReason", "string",
          "Explains how that element affects the interpretation of the resource or element that contains it.", 0, 1,
          isModifierReason);
    case 1857548060:
      /* isSummary */ return new Property("isSummary", "boolean",
          "Whether the element should be included if a client requests a search with the parameter _summary=true.", 0,
          1, isSummary);
    case -108220795:
      /* binding */ return new Property("binding", "",
          "Binds to a value set if this element is coded (code, Coding, CodeableConcept, Quantity), or the data types (string, uri).",
          0, 1, binding);
    case 837556430:
      /* mapping */ return new Property("mapping", "",
          "Identifies a concept from an external specification that roughly corresponds to this element.", 0,
          java.lang.Integer.MAX_VALUE, mapping);
    default:
      return super.getNamedProperty(_hash, _name, _checkValid);
    }

  }

  @Override
  public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
    switch (hash) {
    case 3433509:
      /* path */ return this.path == null ? new Base[0] : new Base[] { this.path }; // StringType
    case -671065907:
      /* representation */ return this.representation == null ? new Base[0]
          : this.representation.toArray(new Base[this.representation.size()]); // Enumeration<PropertyRepresentation>
    case -825289923:
      /* sliceName */ return this.sliceName == null ? new Base[0] : new Base[] { this.sliceName }; // StringType
    case 333040519:
      /* sliceIsConstraining */ return this.sliceIsConstraining == null ? new Base[0]
          : new Base[] { this.sliceIsConstraining }; // BooleanType
    case 102727412:
      /* label */ return this.label == null ? new Base[0] : new Base[] { this.label }; // StringType
    case 3059181:
      /* code */ return this.code == null ? new Base[0] : this.code.toArray(new Base[this.code.size()]); // Coding
    case -2119287345:
      /* slicing */ return this.slicing == null ? new Base[0] : new Base[] { this.slicing }; // ElementDefinitionSlicingComponent
    case 109413500:
      /* short */ return this.short_ == null ? new Base[0] : new Base[] { this.short_ }; // StringType
    case -1014418093:
      /* definition */ return this.definition == null ? new Base[0] : new Base[] { this.definition }; // MarkdownType
    case 950398559:
      /* comment */ return this.comment == null ? new Base[0] : new Base[] { this.comment }; // MarkdownType
    case -1619874672:
      /* requirements */ return this.requirements == null ? new Base[0] : new Base[] { this.requirements }; // MarkdownType
    case 92902992:
      /* alias */ return this.alias == null ? new Base[0] : this.alias.toArray(new Base[this.alias.size()]); // StringType
    case 108114:
      /* min */ return this.min == null ? new Base[0] : new Base[] { this.min }; // UnsignedIntType
    case 107876:
      /* max */ return this.max == null ? new Base[0] : new Base[] { this.max }; // StringType
    case 3016401:
      /* base */ return this.base == null ? new Base[0] : new Base[] { this.base }; // ElementDefinitionBaseComponent
    case 1193747154:
      /* contentReference */ return this.contentReference == null ? new Base[0] : new Base[] { this.contentReference }; // UriType
    case 3575610:
      /* type */ return this.type == null ? new Base[0] : this.type.toArray(new Base[this.type.size()]); // TypeRefComponent
    case -659125328:
      /* defaultValue */ return this.defaultValue == null ? new Base[0] : new Base[] { this.defaultValue }; // org.hl7.fhir.r4.model.Type
    case 1857257103:
      /* meaningWhenMissing */ return this.meaningWhenMissing == null ? new Base[0]
          : new Base[] { this.meaningWhenMissing }; // MarkdownType
    case 1828196047:
      /* orderMeaning */ return this.orderMeaning == null ? new Base[0] : new Base[] { this.orderMeaning }; // StringType
    case 97445748:
      /* fixed */ return this.fixed == null ? new Base[0] : new Base[] { this.fixed }; // org.hl7.fhir.r4.model.Type
    case -791090288:
      /* pattern */ return this.pattern == null ? new Base[0] : new Base[] { this.pattern }; // org.hl7.fhir.r4.model.Type
    case -1322970774:
      /* example */ return this.example == null ? new Base[0] : this.example.toArray(new Base[this.example.size()]); // ElementDefinitionExampleComponent
    case -1376969153:
      /* minValue */ return this.minValue == null ? new Base[0] : new Base[] { this.minValue }; // Type
    case 399227501:
      /* maxValue */ return this.maxValue == null ? new Base[0] : new Base[] { this.maxValue }; // Type
    case -791400086:
      /* maxLength */ return this.maxLength == null ? new Base[0] : new Base[] { this.maxLength }; // IntegerType
    case -861311717:
      /* condition */ return this.condition == null ? new Base[0]
          : this.condition.toArray(new Base[this.condition.size()]); // IdType
    case -190376483:
      /* constraint */ return this.constraint == null ? new Base[0]
          : this.constraint.toArray(new Base[this.constraint.size()]); // ElementDefinitionConstraintComponent
    case -1402857082:
      /* mustSupport */ return this.mustSupport == null ? new Base[0] : new Base[] { this.mustSupport }; // BooleanType
    case -1408783839:
      /* isModifier */ return this.isModifier == null ? new Base[0] : new Base[] { this.isModifier }; // BooleanType
    case -1854387259:
      /* isModifierReason */ return this.isModifierReason == null ? new Base[0] : new Base[] { this.isModifierReason }; // StringType
    case 1857548060:
      /* isSummary */ return this.isSummary == null ? new Base[0] : new Base[] { this.isSummary }; // BooleanType
    case -108220795:
      /* binding */ return this.binding == null ? new Base[0] : new Base[] { this.binding }; // ElementDefinitionBindingComponent
    case 837556430:
      /* mapping */ return this.mapping == null ? new Base[0] : this.mapping.toArray(new Base[this.mapping.size()]); // ElementDefinitionMappingComponent
    default:
      return super.getProperty(hash, name, checkValid);
    }

  }

  @Override
  public Base setProperty(int hash, String name, Base value) throws FHIRException {
    switch (hash) {
    case 3433509: // path
      this.path = castToString(value); // StringType
      return value;
    case -671065907: // representation
      value = new PropertyRepresentationEnumFactory().fromType(castToCode(value));
      this.getRepresentation().add((Enumeration) value); // Enumeration<PropertyRepresentation>
      return value;
    case -825289923: // sliceName
      this.sliceName = castToString(value); // StringType
      return value;
    case 333040519: // sliceIsConstraining
      this.sliceIsConstraining = castToBoolean(value); // BooleanType
      return value;
    case 102727412: // label
      this.label = castToString(value); // StringType
      return value;
    case 3059181: // code
      this.getCode().add(castToCoding(value)); // Coding
      return value;
    case -2119287345: // slicing
      this.slicing = (ElementDefinitionSlicingComponent) value; // ElementDefinitionSlicingComponent
      return value;
    case 109413500: // short
      this.short_ = castToString(value); // StringType
      return value;
    case -1014418093: // definition
      this.definition = castToMarkdown(value); // MarkdownType
      return value;
    case 950398559: // comment
      this.comment = castToMarkdown(value); // MarkdownType
      return value;
    case -1619874672: // requirements
      this.requirements = castToMarkdown(value); // MarkdownType
      return value;
    case 92902992: // alias
      this.getAlias().add(castToString(value)); // StringType
      return value;
    case 108114: // min
      this.min = castToUnsignedInt(value); // UnsignedIntType
      return value;
    case 107876: // max
      this.max = castToString(value); // StringType
      return value;
    case 3016401: // base
      this.base = (ElementDefinitionBaseComponent) value; // ElementDefinitionBaseComponent
      return value;
    case 1193747154: // contentReference
      this.contentReference = castToUri(value); // UriType
      return value;
    case 3575610: // type
      this.getType().add((TypeRefComponent) value); // TypeRefComponent
      return value;
    case -659125328: // defaultValue
      this.defaultValue = castToType(value); // org.hl7.fhir.r4.model.Type
      return value;
    case 1857257103: // meaningWhenMissing
      this.meaningWhenMissing = castToMarkdown(value); // MarkdownType
      return value;
    case 1828196047: // orderMeaning
      this.orderMeaning = castToString(value); // StringType
      return value;
    case 97445748: // fixed
      this.fixed = castToType(value); // org.hl7.fhir.r4.model.Type
      return value;
    case -791090288: // pattern
      this.pattern = castToType(value); // org.hl7.fhir.r4.model.Type
      return value;
    case -1322970774: // example
      this.getExample().add((ElementDefinitionExampleComponent) value); // ElementDefinitionExampleComponent
      return value;
    case -1376969153: // minValue
      this.minValue = castToType(value); // Type
      return value;
    case 399227501: // maxValue
      this.maxValue = castToType(value); // Type
      return value;
    case -791400086: // maxLength
      this.maxLength = castToInteger(value); // IntegerType
      return value;
    case -861311717: // condition
      this.getCondition().add(castToId(value)); // IdType
      return value;
    case -190376483: // constraint
      this.getConstraint().add((ElementDefinitionConstraintComponent) value); // ElementDefinitionConstraintComponent
      return value;
    case -1402857082: // mustSupport
      this.mustSupport = castToBoolean(value); // BooleanType
      return value;
    case -1408783839: // isModifier
      this.isModifier = castToBoolean(value); // BooleanType
      return value;
    case -1854387259: // isModifierReason
      this.isModifierReason = castToString(value); // StringType
      return value;
    case 1857548060: // isSummary
      this.isSummary = castToBoolean(value); // BooleanType
      return value;
    case -108220795: // binding
      this.binding = (ElementDefinitionBindingComponent) value; // ElementDefinitionBindingComponent
      return value;
    case 837556430: // mapping
      this.getMapping().add((ElementDefinitionMappingComponent) value); // ElementDefinitionMappingComponent
      return value;
    default:
      return super.setProperty(hash, name, value);
    }

  }

  @Override
  public Base setProperty(String name, Base value) throws FHIRException {
    if (name.equals("path")) {
      this.path = castToString(value); // StringType
    } else if (name.equals("representation")) {
      value = new PropertyRepresentationEnumFactory().fromType(castToCode(value));
      this.getRepresentation().add((Enumeration) value);
    } else if (name.equals("sliceName")) {
      this.sliceName = castToString(value); // StringType
    } else if (name.equals("sliceIsConstraining")) {
      this.sliceIsConstraining = castToBoolean(value); // BooleanType
    } else if (name.equals("label")) {
      this.label = castToString(value); // StringType
    } else if (name.equals("code")) {
      this.getCode().add(castToCoding(value));
    } else if (name.equals("slicing")) {
      this.slicing = (ElementDefinitionSlicingComponent) value; // ElementDefinitionSlicingComponent
    } else if (name.equals("short")) {
      this.short_ = castToString(value); // StringType
    } else if (name.equals("definition")) {
      this.definition = castToMarkdown(value); // MarkdownType
    } else if (name.equals("comment")) {
      this.comment = castToMarkdown(value); // MarkdownType
    } else if (name.equals("requirements")) {
      this.requirements = castToMarkdown(value); // MarkdownType
    } else if (name.equals("alias")) {
      this.getAlias().add(castToString(value));
    } else if (name.equals("min")) {
      this.min = castToUnsignedInt(value); // UnsignedIntType
    } else if (name.equals("max")) {
      this.max = castToString(value); // StringType
    } else if (name.equals("base")) {
      this.base = (ElementDefinitionBaseComponent) value; // ElementDefinitionBaseComponent
    } else if (name.equals("contentReference")) {
      this.contentReference = castToUri(value); // UriType
    } else if (name.equals("type")) {
      this.getType().add((TypeRefComponent) value);
    } else if (name.equals("defaultValue[x]")) {
      this.defaultValue = castToType(value); // org.hl7.fhir.r4.model.Type
    } else if (name.equals("meaningWhenMissing")) {
      this.meaningWhenMissing = castToMarkdown(value); // MarkdownType
    } else if (name.equals("orderMeaning")) {
      this.orderMeaning = castToString(value); // StringType
    } else if (name.equals("fixed[x]")) {
      this.fixed = castToType(value); // org.hl7.fhir.r4.model.Type
    } else if (name.equals("pattern[x]")) {
      this.pattern = castToType(value); // org.hl7.fhir.r4.model.Type
    } else if (name.equals("example")) {
      this.getExample().add((ElementDefinitionExampleComponent) value);
    } else if (name.equals("minValue[x]")) {
      this.minValue = castToType(value); // Type
    } else if (name.equals("maxValue[x]")) {
      this.maxValue = castToType(value); // Type
    } else if (name.equals("maxLength")) {
      this.maxLength = castToInteger(value); // IntegerType
    } else if (name.equals("condition")) {
      this.getCondition().add(castToId(value));
    } else if (name.equals("constraint")) {
      this.getConstraint().add((ElementDefinitionConstraintComponent) value);
    } else if (name.equals("mustSupport")) {
      this.mustSupport = castToBoolean(value); // BooleanType
    } else if (name.equals("isModifier")) {
      this.isModifier = castToBoolean(value); // BooleanType
    } else if (name.equals("isModifierReason")) {
      this.isModifierReason = castToString(value); // StringType
    } else if (name.equals("isSummary")) {
      this.isSummary = castToBoolean(value); // BooleanType
    } else if (name.equals("binding")) {
      this.binding = (ElementDefinitionBindingComponent) value; // ElementDefinitionBindingComponent
    } else if (name.equals("mapping")) {
      this.getMapping().add((ElementDefinitionMappingComponent) value);
    } else
      return super.setProperty(name, value);
    return value;
  }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
    if (name.equals("path")) {
      this.path = null;
    } else if (name.equals("representation")) {
      this.getRepresentation().remove((Enumeration) value);
    } else if (name.equals("sliceName")) {
      this.sliceName = null;
    } else if (name.equals("sliceIsConstraining")) {
      this.sliceIsConstraining = null;
    } else if (name.equals("label")) {
      this.label = null;
    } else if (name.equals("code")) {
      this.getCode().remove(castToCoding(value));
    } else if (name.equals("slicing")) {
      this.slicing = (ElementDefinitionSlicingComponent) value; // ElementDefinitionSlicingComponent
    } else if (name.equals("short")) {
      this.short_ = null;
    } else if (name.equals("definition")) {
      this.definition = null;
    } else if (name.equals("comment")) {
      this.comment = null;
    } else if (name.equals("requirements")) {
      this.requirements = null;
    } else if (name.equals("alias")) {
      this.getAlias().remove(castToString(value));
    } else if (name.equals("min")) {
      this.min = null;
    } else if (name.equals("max")) {
      this.max = null;
    } else if (name.equals("base")) {
      this.base = (ElementDefinitionBaseComponent) value; // ElementDefinitionBaseComponent
    } else if (name.equals("contentReference")) {
      this.contentReference = null;
    } else if (name.equals("type")) {
      this.getType().remove((TypeRefComponent) value);
    } else if (name.equals("defaultValue[x]")) {
      this.defaultValue = null;
    } else if (name.equals("meaningWhenMissing")) {
      this.meaningWhenMissing = null;
    } else if (name.equals("orderMeaning")) {
      this.orderMeaning = null;
    } else if (name.equals("fixed[x]")) {
      this.fixed = null;
    } else if (name.equals("pattern[x]")) {
      this.pattern = null;
    } else if (name.equals("example")) {
      this.getExample().remove((ElementDefinitionExampleComponent) value);
    } else if (name.equals("minValue[x]")) {
      this.minValue = null;
    } else if (name.equals("maxValue[x]")) {
      this.maxValue = null;
    } else if (name.equals("maxLength")) {
      this.maxLength = null;
    } else if (name.equals("condition")) {
      this.getCondition().remove(castToId(value));
    } else if (name.equals("constraint")) {
      this.getConstraint().remove((ElementDefinitionConstraintComponent) value);
    } else if (name.equals("mustSupport")) {
      this.mustSupport = null;
    } else if (name.equals("isModifier")) {
      this.isModifier = null;
    } else if (name.equals("isModifierReason")) {
      this.isModifierReason = null;
    } else if (name.equals("isSummary")) {
      this.isSummary = null;
    } else if (name.equals("binding")) {
      this.binding = (ElementDefinitionBindingComponent) value; // ElementDefinitionBindingComponent
    } else if (name.equals("mapping")) {
      this.getMapping().remove((ElementDefinitionMappingComponent) value);
    } else
      super.removeChild(name, value);
    
  }

  @Override
  public Base makeProperty(int hash, String name) throws FHIRException {
    switch (hash) {
    case 3433509:
      return getPathElement();
    case -671065907:
      return addRepresentationElement();
    case -825289923:
      return getSliceNameElement();
    case 333040519:
      return getSliceIsConstrainingElement();
    case 102727412:
      return getLabelElement();
    case 3059181:
      return addCode();
    case -2119287345:
      return getSlicing();
    case 109413500:
      return getShortElement();
    case -1014418093:
      return getDefinitionElement();
    case 950398559:
      return getCommentElement();
    case -1619874672:
      return getRequirementsElement();
    case 92902992:
      return addAliasElement();
    case 108114:
      return getMinElement();
    case 107876:
      return getMaxElement();
    case 3016401:
      return getBase();
    case 1193747154:
      return getContentReferenceElement();
    case 3575610:
      return addType();
    case 587922128:
      return getDefaultValue();
    case -659125328:
      return getDefaultValue();
    case 1857257103:
      return getMeaningWhenMissingElement();
    case 1828196047:
      return getOrderMeaningElement();
    case -391522164:
      return getFixed();
    case 97445748:
      return getFixed();
    case -885125392:
      return getPattern();
    case -791090288:
      return getPattern();
    case -1322970774:
      return addExample();
    case -55301663:
      return getMinValue();
    case -1376969153:
      return getMinValue();
    case 622130931:
      return getMaxValue();
    case 399227501:
      return getMaxValue();
    case -791400086:
      return getMaxLengthElement();
    case -861311717:
      return addConditionElement();
    case -190376483:
      return addConstraint();
    case -1402857082:
      return getMustSupportElement();
    case -1408783839:
      return getIsModifierElement();
    case -1854387259:
      return getIsModifierReasonElement();
    case 1857548060:
      return getIsSummaryElement();
    case -108220795:
      return getBinding();
    case 837556430:
      return addMapping();
    default:
      return super.makeProperty(hash, name);
    }

  }

  @Override
  public String[] getTypesForProperty(int hash, String name) throws FHIRException {
    switch (hash) {
    case 3433509:
      /* path */ return new String[] { "string" };
    case -671065907:
      /* representation */ return new String[] { "code" };
    case -825289923:
      /* sliceName */ return new String[] { "string" };
    case 333040519:
      /* sliceIsConstraining */ return new String[] { "boolean" };
    case 102727412:
      /* label */ return new String[] { "string" };
    case 3059181:
      /* code */ return new String[] { "Coding" };
    case -2119287345:
      /* slicing */ return new String[] {};
    case 109413500:
      /* short */ return new String[] { "string" };
    case -1014418093:
      /* definition */ return new String[] { "markdown" };
    case 950398559:
      /* comment */ return new String[] { "markdown" };
    case -1619874672:
      /* requirements */ return new String[] { "markdown" };
    case 92902992:
      /* alias */ return new String[] { "string" };
    case 108114:
      /* min */ return new String[] { "unsignedInt" };
    case 107876:
      /* max */ return new String[] { "string" };
    case 3016401:
      /* base */ return new String[] {};
    case 1193747154:
      /* contentReference */ return new String[] { "uri" };
    case 3575610:
      /* type */ return new String[] {};
    case -659125328:
      /* defaultValue */ return new String[] { "*" };
    case 1857257103:
      /* meaningWhenMissing */ return new String[] { "markdown" };
    case 1828196047:
      /* orderMeaning */ return new String[] { "string" };
    case 97445748:
      /* fixed */ return new String[] { "*" };
    case -791090288:
      /* pattern */ return new String[] { "*" };
    case -1322970774:
      /* example */ return new String[] {};
    case -1376969153:
      /* minValue */ return new String[] { "date", "dateTime", "instant", "time", "decimal", "integer", "positiveInt",
          "unsignedInt", "Quantity" };
    case 399227501:
      /* maxValue */ return new String[] { "date", "dateTime", "instant", "time", "decimal", "integer", "positiveInt",
          "unsignedInt", "Quantity" };
    case -791400086:
      /* maxLength */ return new String[] { "integer" };
    case -861311717:
      /* condition */ return new String[] { "id" };
    case -190376483:
      /* constraint */ return new String[] {};
    case -1402857082:
      /* mustSupport */ return new String[] { "boolean" };
    case -1408783839:
      /* isModifier */ return new String[] { "boolean" };
    case -1854387259:
      /* isModifierReason */ return new String[] { "string" };
    case 1857548060:
      /* isSummary */ return new String[] { "boolean" };
    case -108220795:
      /* binding */ return new String[] {};
    case 837556430:
      /* mapping */ return new String[] {};
    default:
      return super.getTypesForProperty(hash, name);
    }

  }

  @Override
  public Base addChild(String name) throws FHIRException {
    if (name.equals("path")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.path");
    } else if (name.equals("representation")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.representation");
    } else if (name.equals("sliceName")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.sliceName");
    } else if (name.equals("sliceIsConstraining")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.sliceIsConstraining");
    } else if (name.equals("label")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.label");
    } else if (name.equals("code")) {
      return addCode();
    } else if (name.equals("slicing")) {
      this.slicing = new ElementDefinitionSlicingComponent();
      return this.slicing;
    } else if (name.equals("short")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.short");
    } else if (name.equals("definition")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.definition");
    } else if (name.equals("comment")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.comment");
    } else if (name.equals("requirements")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.requirements");
    } else if (name.equals("alias")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.alias");
    } else if (name.equals("min")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.min");
    } else if (name.equals("max")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.max");
    } else if (name.equals("base")) {
      this.base = new ElementDefinitionBaseComponent();
      return this.base;
    } else if (name.equals("contentReference")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.contentReference");
    } else if (name.equals("type")) {
      return addType();
    } else if (name.equals("defaultValueBase64Binary")) {
      this.defaultValue = new Base64BinaryType();
      return this.defaultValue;
    } else if (name.equals("defaultValueBoolean")) {
      this.defaultValue = new BooleanType();
      return this.defaultValue;
    } else if (name.equals("defaultValueCanonical")) {
      this.defaultValue = new CanonicalType();
      return this.defaultValue;
    } else if (name.equals("defaultValueCode")) {
      this.defaultValue = new CodeType();
      return this.defaultValue;
    } else if (name.equals("defaultValueDate")) {
      this.defaultValue = new DateType();
      return this.defaultValue;
    } else if (name.equals("defaultValueDateTime")) {
      this.defaultValue = new DateTimeType();
      return this.defaultValue;
    } else if (name.equals("defaultValueDecimal")) {
      this.defaultValue = new DecimalType();
      return this.defaultValue;
    } else if (name.equals("defaultValueId")) {
      this.defaultValue = new IdType();
      return this.defaultValue;
    } else if (name.equals("defaultValueInstant")) {
      this.defaultValue = new InstantType();
      return this.defaultValue;
    } else if (name.equals("defaultValueInteger")) {
      this.defaultValue = new IntegerType();
      return this.defaultValue;
    } else if (name.equals("defaultValueMarkdown")) {
      this.defaultValue = new MarkdownType();
      return this.defaultValue;
    } else if (name.equals("defaultValueOid")) {
      this.defaultValue = new OidType();
      return this.defaultValue;
    } else if (name.equals("defaultValuePositiveInt")) {
      this.defaultValue = new PositiveIntType();
      return this.defaultValue;
    } else if (name.equals("defaultValueString")) {
      this.defaultValue = new StringType();
      return this.defaultValue;
    } else if (name.equals("defaultValueTime")) {
      this.defaultValue = new TimeType();
      return this.defaultValue;
    } else if (name.equals("defaultValueUnsignedInt")) {
      this.defaultValue = new UnsignedIntType();
      return this.defaultValue;
    } else if (name.equals("defaultValueUri")) {
      this.defaultValue = new UriType();
      return this.defaultValue;
    } else if (name.equals("defaultValueUrl")) {
      this.defaultValue = new UrlType();
      return this.defaultValue;
    } else if (name.equals("defaultValueUuid")) {
      this.defaultValue = new UuidType();
      return this.defaultValue;
    } else if (name.equals("defaultValueAddress")) {
      this.defaultValue = new Address();
      return this.defaultValue;
    } else if (name.equals("defaultValueAge")) {
      this.defaultValue = new Age();
      return this.defaultValue;
    } else if (name.equals("defaultValueAnnotation")) {
      this.defaultValue = new Annotation();
      return this.defaultValue;
    } else if (name.equals("defaultValueAttachment")) {
      this.defaultValue = new Attachment();
      return this.defaultValue;
    } else if (name.equals("defaultValueCodeableConcept")) {
      this.defaultValue = new CodeableConcept();
      return this.defaultValue;
    } else if (name.equals("defaultValueCoding")) {
      this.defaultValue = new Coding();
      return this.defaultValue;
    } else if (name.equals("defaultValueContactPoint")) {
      this.defaultValue = new ContactPoint();
      return this.defaultValue;
    } else if (name.equals("defaultValueCount")) {
      this.defaultValue = new Count();
      return this.defaultValue;
    } else if (name.equals("defaultValueDistance")) {
      this.defaultValue = new Distance();
      return this.defaultValue;
    } else if (name.equals("defaultValueDuration")) {
      this.defaultValue = new Duration();
      return this.defaultValue;
    } else if (name.equals("defaultValueHumanName")) {
      this.defaultValue = new HumanName();
      return this.defaultValue;
    } else if (name.equals("defaultValueIdentifier")) {
      this.defaultValue = new Identifier();
      return this.defaultValue;
    } else if (name.equals("defaultValueMoney")) {
      this.defaultValue = new Money();
      return this.defaultValue;
    } else if (name.equals("defaultValuePeriod")) {
      this.defaultValue = new Period();
      return this.defaultValue;
    } else if (name.equals("defaultValueQuantity")) {
      this.defaultValue = new Quantity();
      return this.defaultValue;
    } else if (name.equals("defaultValueRange")) {
      this.defaultValue = new Range();
      return this.defaultValue;
    } else if (name.equals("defaultValueRatio")) {
      this.defaultValue = new Ratio();
      return this.defaultValue;
    } else if (name.equals("defaultValueReference")) {
      this.defaultValue = new Reference();
      return this.defaultValue;
    } else if (name.equals("defaultValueSampledData")) {
      this.defaultValue = new SampledData();
      return this.defaultValue;
    } else if (name.equals("defaultValueSignature")) {
      this.defaultValue = new Signature();
      return this.defaultValue;
    } else if (name.equals("defaultValueTiming")) {
      this.defaultValue = new Timing();
      return this.defaultValue;
    } else if (name.equals("defaultValueContactDetail")) {
      this.defaultValue = new ContactDetail();
      return this.defaultValue;
    } else if (name.equals("defaultValueContributor")) {
      this.defaultValue = new Contributor();
      return this.defaultValue;
    } else if (name.equals("defaultValueDataRequirement")) {
      this.defaultValue = new DataRequirement();
      return this.defaultValue;
    } else if (name.equals("defaultValueExpression")) {
      this.defaultValue = new Expression();
      return this.defaultValue;
    } else if (name.equals("defaultValueParameterDefinition")) {
      this.defaultValue = new ParameterDefinition();
      return this.defaultValue;
    } else if (name.equals("defaultValueRelatedArtifact")) {
      this.defaultValue = new RelatedArtifact();
      return this.defaultValue;
    } else if (name.equals("defaultValueTriggerDefinition")) {
      this.defaultValue = new TriggerDefinition();
      return this.defaultValue;
    } else if (name.equals("defaultValueUsageContext")) {
      this.defaultValue = new UsageContext();
      return this.defaultValue;
    } else if (name.equals("defaultValueDosage")) {
      this.defaultValue = new Dosage();
      return this.defaultValue;
    } else if (name.equals("defaultValueMeta")) {
      this.defaultValue = new Meta();
      return this.defaultValue;
    } else if (name.equals("meaningWhenMissing")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.meaningWhenMissing");
    } else if (name.equals("orderMeaning")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.orderMeaning");
    } else if (name.equals("fixedBase64Binary")) {
      this.fixed = new Base64BinaryType();
      return this.fixed;
    } else if (name.equals("fixedBoolean")) {
      this.fixed = new BooleanType();
      return this.fixed;
    } else if (name.equals("fixedCanonical")) {
      this.fixed = new CanonicalType();
      return this.fixed;
    } else if (name.equals("fixedCode")) {
      this.fixed = new CodeType();
      return this.fixed;
    } else if (name.equals("fixedDate")) {
      this.fixed = new DateType();
      return this.fixed;
    } else if (name.equals("fixedDateTime")) {
      this.fixed = new DateTimeType();
      return this.fixed;
    } else if (name.equals("fixedDecimal")) {
      this.fixed = new DecimalType();
      return this.fixed;
    } else if (name.equals("fixedId")) {
      this.fixed = new IdType();
      return this.fixed;
    } else if (name.equals("fixedInstant")) {
      this.fixed = new InstantType();
      return this.fixed;
    } else if (name.equals("fixedInteger")) {
      this.fixed = new IntegerType();
      return this.fixed;
    } else if (name.equals("fixedMarkdown")) {
      this.fixed = new MarkdownType();
      return this.fixed;
    } else if (name.equals("fixedOid")) {
      this.fixed = new OidType();
      return this.fixed;
    } else if (name.equals("fixedPositiveInt")) {
      this.fixed = new PositiveIntType();
      return this.fixed;
    } else if (name.equals("fixedString")) {
      this.fixed = new StringType();
      return this.fixed;
    } else if (name.equals("fixedTime")) {
      this.fixed = new TimeType();
      return this.fixed;
    } else if (name.equals("fixedUnsignedInt")) {
      this.fixed = new UnsignedIntType();
      return this.fixed;
    } else if (name.equals("fixedUri")) {
      this.fixed = new UriType();
      return this.fixed;
    } else if (name.equals("fixedUrl")) {
      this.fixed = new UrlType();
      return this.fixed;
    } else if (name.equals("fixedUuid")) {
      this.fixed = new UuidType();
      return this.fixed;
    } else if (name.equals("fixedAddress")) {
      this.fixed = new Address();
      return this.fixed;
    } else if (name.equals("fixedAge")) {
      this.fixed = new Age();
      return this.fixed;
    } else if (name.equals("fixedAnnotation")) {
      this.fixed = new Annotation();
      return this.fixed;
    } else if (name.equals("fixedAttachment")) {
      this.fixed = new Attachment();
      return this.fixed;
    } else if (name.equals("fixedCodeableConcept")) {
      this.fixed = new CodeableConcept();
      return this.fixed;
    } else if (name.equals("fixedCoding")) {
      this.fixed = new Coding();
      return this.fixed;
    } else if (name.equals("fixedContactPoint")) {
      this.fixed = new ContactPoint();
      return this.fixed;
    } else if (name.equals("fixedCount")) {
      this.fixed = new Count();
      return this.fixed;
    } else if (name.equals("fixedDistance")) {
      this.fixed = new Distance();
      return this.fixed;
    } else if (name.equals("fixedDuration")) {
      this.fixed = new Duration();
      return this.fixed;
    } else if (name.equals("fixedHumanName")) {
      this.fixed = new HumanName();
      return this.fixed;
    } else if (name.equals("fixedIdentifier")) {
      this.fixed = new Identifier();
      return this.fixed;
    } else if (name.equals("fixedMoney")) {
      this.fixed = new Money();
      return this.fixed;
    } else if (name.equals("fixedPeriod")) {
      this.fixed = new Period();
      return this.fixed;
    } else if (name.equals("fixedQuantity")) {
      this.fixed = new Quantity();
      return this.fixed;
    } else if (name.equals("fixedRange")) {
      this.fixed = new Range();
      return this.fixed;
    } else if (name.equals("fixedRatio")) {
      this.fixed = new Ratio();
      return this.fixed;
    } else if (name.equals("fixedReference")) {
      this.fixed = new Reference();
      return this.fixed;
    } else if (name.equals("fixedSampledData")) {
      this.fixed = new SampledData();
      return this.fixed;
    } else if (name.equals("fixedSignature")) {
      this.fixed = new Signature();
      return this.fixed;
    } else if (name.equals("fixedTiming")) {
      this.fixed = new Timing();
      return this.fixed;
    } else if (name.equals("fixedContactDetail")) {
      this.fixed = new ContactDetail();
      return this.fixed;
    } else if (name.equals("fixedContributor")) {
      this.fixed = new Contributor();
      return this.fixed;
    } else if (name.equals("fixedDataRequirement")) {
      this.fixed = new DataRequirement();
      return this.fixed;
    } else if (name.equals("fixedExpression")) {
      this.fixed = new Expression();
      return this.fixed;
    } else if (name.equals("fixedParameterDefinition")) {
      this.fixed = new ParameterDefinition();
      return this.fixed;
    } else if (name.equals("fixedRelatedArtifact")) {
      this.fixed = new RelatedArtifact();
      return this.fixed;
    } else if (name.equals("fixedTriggerDefinition")) {
      this.fixed = new TriggerDefinition();
      return this.fixed;
    } else if (name.equals("fixedUsageContext")) {
      this.fixed = new UsageContext();
      return this.fixed;
    } else if (name.equals("fixedDosage")) {
      this.fixed = new Dosage();
      return this.fixed;
    } else if (name.equals("fixedMeta")) {
      this.fixed = new Meta();
      return this.fixed;
    } else if (name.equals("patternBase64Binary")) {
      this.pattern = new Base64BinaryType();
      return this.pattern;
    } else if (name.equals("patternBoolean")) {
      this.pattern = new BooleanType();
      return this.pattern;
    } else if (name.equals("patternCanonical")) {
      this.pattern = new CanonicalType();
      return this.pattern;
    } else if (name.equals("patternCode")) {
      this.pattern = new CodeType();
      return this.pattern;
    } else if (name.equals("patternDate")) {
      this.pattern = new DateType();
      return this.pattern;
    } else if (name.equals("patternDateTime")) {
      this.pattern = new DateTimeType();
      return this.pattern;
    } else if (name.equals("patternDecimal")) {
      this.pattern = new DecimalType();
      return this.pattern;
    } else if (name.equals("patternId")) {
      this.pattern = new IdType();
      return this.pattern;
    } else if (name.equals("patternInstant")) {
      this.pattern = new InstantType();
      return this.pattern;
    } else if (name.equals("patternInteger")) {
      this.pattern = new IntegerType();
      return this.pattern;
    } else if (name.equals("patternMarkdown")) {
      this.pattern = new MarkdownType();
      return this.pattern;
    } else if (name.equals("patternOid")) {
      this.pattern = new OidType();
      return this.pattern;
    } else if (name.equals("patternPositiveInt")) {
      this.pattern = new PositiveIntType();
      return this.pattern;
    } else if (name.equals("patternString")) {
      this.pattern = new StringType();
      return this.pattern;
    } else if (name.equals("patternTime")) {
      this.pattern = new TimeType();
      return this.pattern;
    } else if (name.equals("patternUnsignedInt")) {
      this.pattern = new UnsignedIntType();
      return this.pattern;
    } else if (name.equals("patternUri")) {
      this.pattern = new UriType();
      return this.pattern;
    } else if (name.equals("patternUrl")) {
      this.pattern = new UrlType();
      return this.pattern;
    } else if (name.equals("patternUuid")) {
      this.pattern = new UuidType();
      return this.pattern;
    } else if (name.equals("patternAddress")) {
      this.pattern = new Address();
      return this.pattern;
    } else if (name.equals("patternAge")) {
      this.pattern = new Age();
      return this.pattern;
    } else if (name.equals("patternAnnotation")) {
      this.pattern = new Annotation();
      return this.pattern;
    } else if (name.equals("patternAttachment")) {
      this.pattern = new Attachment();
      return this.pattern;
    } else if (name.equals("patternCodeableConcept")) {
      this.pattern = new CodeableConcept();
      return this.pattern;
    } else if (name.equals("patternCoding")) {
      this.pattern = new Coding();
      return this.pattern;
    } else if (name.equals("patternContactPoint")) {
      this.pattern = new ContactPoint();
      return this.pattern;
    } else if (name.equals("patternCount")) {
      this.pattern = new Count();
      return this.pattern;
    } else if (name.equals("patternDistance")) {
      this.pattern = new Distance();
      return this.pattern;
    } else if (name.equals("patternDuration")) {
      this.pattern = new Duration();
      return this.pattern;
    } else if (name.equals("patternHumanName")) {
      this.pattern = new HumanName();
      return this.pattern;
    } else if (name.equals("patternIdentifier")) {
      this.pattern = new Identifier();
      return this.pattern;
    } else if (name.equals("patternMoney")) {
      this.pattern = new Money();
      return this.pattern;
    } else if (name.equals("patternPeriod")) {
      this.pattern = new Period();
      return this.pattern;
    } else if (name.equals("patternQuantity")) {
      this.pattern = new Quantity();
      return this.pattern;
    } else if (name.equals("patternRange")) {
      this.pattern = new Range();
      return this.pattern;
    } else if (name.equals("patternRatio")) {
      this.pattern = new Ratio();
      return this.pattern;
    } else if (name.equals("patternReference")) {
      this.pattern = new Reference();
      return this.pattern;
    } else if (name.equals("patternSampledData")) {
      this.pattern = new SampledData();
      return this.pattern;
    } else if (name.equals("patternSignature")) {
      this.pattern = new Signature();
      return this.pattern;
    } else if (name.equals("patternTiming")) {
      this.pattern = new Timing();
      return this.pattern;
    } else if (name.equals("patternContactDetail")) {
      this.pattern = new ContactDetail();
      return this.pattern;
    } else if (name.equals("patternContributor")) {
      this.pattern = new Contributor();
      return this.pattern;
    } else if (name.equals("patternDataRequirement")) {
      this.pattern = new DataRequirement();
      return this.pattern;
    } else if (name.equals("patternExpression")) {
      this.pattern = new Expression();
      return this.pattern;
    } else if (name.equals("patternParameterDefinition")) {
      this.pattern = new ParameterDefinition();
      return this.pattern;
    } else if (name.equals("patternRelatedArtifact")) {
      this.pattern = new RelatedArtifact();
      return this.pattern;
    } else if (name.equals("patternTriggerDefinition")) {
      this.pattern = new TriggerDefinition();
      return this.pattern;
    } else if (name.equals("patternUsageContext")) {
      this.pattern = new UsageContext();
      return this.pattern;
    } else if (name.equals("patternDosage")) {
      this.pattern = new Dosage();
      return this.pattern;
    } else if (name.equals("patternMeta")) {
      this.pattern = new Meta();
      return this.pattern;
    } else if (name.equals("example")) {
      return addExample();
    } else if (name.equals("minValueDate")) {
      this.minValue = new DateType();
      return this.minValue;
    } else if (name.equals("minValueDateTime")) {
      this.minValue = new DateTimeType();
      return this.minValue;
    } else if (name.equals("minValueInstant")) {
      this.minValue = new InstantType();
      return this.minValue;
    } else if (name.equals("minValueTime")) {
      this.minValue = new TimeType();
      return this.minValue;
    } else if (name.equals("minValueDecimal")) {
      this.minValue = new DecimalType();
      return this.minValue;
    } else if (name.equals("minValueInteger")) {
      this.minValue = new IntegerType();
      return this.minValue;
    } else if (name.equals("minValuePositiveInt")) {
      this.minValue = new PositiveIntType();
      return this.minValue;
    } else if (name.equals("minValueUnsignedInt")) {
      this.minValue = new UnsignedIntType();
      return this.minValue;
    } else if (name.equals("minValueQuantity")) {
      this.minValue = new Quantity();
      return this.minValue;
    } else if (name.equals("maxValueDate")) {
      this.maxValue = new DateType();
      return this.maxValue;
    } else if (name.equals("maxValueDateTime")) {
      this.maxValue = new DateTimeType();
      return this.maxValue;
    } else if (name.equals("maxValueInstant")) {
      this.maxValue = new InstantType();
      return this.maxValue;
    } else if (name.equals("maxValueTime")) {
      this.maxValue = new TimeType();
      return this.maxValue;
    } else if (name.equals("maxValueDecimal")) {
      this.maxValue = new DecimalType();
      return this.maxValue;
    } else if (name.equals("maxValueInteger")) {
      this.maxValue = new IntegerType();
      return this.maxValue;
    } else if (name.equals("maxValuePositiveInt")) {
      this.maxValue = new PositiveIntType();
      return this.maxValue;
    } else if (name.equals("maxValueUnsignedInt")) {
      this.maxValue = new UnsignedIntType();
      return this.maxValue;
    } else if (name.equals("maxValueQuantity")) {
      this.maxValue = new Quantity();
      return this.maxValue;
    } else if (name.equals("maxLength")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.maxLength");
    } else if (name.equals("condition")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.condition");
    } else if (name.equals("constraint")) {
      return addConstraint();
    } else if (name.equals("mustSupport")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.mustSupport");
    } else if (name.equals("isModifier")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.isModifier");
    } else if (name.equals("isModifierReason")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.isModifierReason");
    } else if (name.equals("isSummary")) {
      throw new FHIRException("Cannot call addChild on a singleton property ElementDefinition.isSummary");
    } else if (name.equals("binding")) {
      this.binding = new ElementDefinitionBindingComponent();
      return this.binding;
    } else if (name.equals("mapping")) {
      return addMapping();
    } else
      return super.addChild(name);
  }

  public String fhirType() {
    return "ElementDefinition";

  }

  public ElementDefinition copy() {
    ElementDefinition dst = new ElementDefinition();
    copyValues(dst);
    return dst;
  }

  public void copyValues(ElementDefinition dst) {
    super.copyValues(dst);
    dst.path = path == null ? null : path.copy();
    if (representation != null) {
      dst.representation = new ArrayList<Enumeration<PropertyRepresentation>>();
      for (Enumeration<PropertyRepresentation> i : representation)
        dst.representation.add(i.copy());
    }
    ;
    dst.sliceName = sliceName == null ? null : sliceName.copy();
    dst.sliceIsConstraining = sliceIsConstraining == null ? null : sliceIsConstraining.copy();
    dst.label = label == null ? null : label.copy();
    if (code != null) {
      dst.code = new ArrayList<Coding>();
      for (Coding i : code)
        dst.code.add(i.copy());
    }
    ;
    dst.slicing = slicing == null ? null : slicing.copy();
    dst.short_ = short_ == null ? null : short_.copy();
    dst.definition = definition == null ? null : definition.copy();
    dst.comment = comment == null ? null : comment.copy();
    dst.requirements = requirements == null ? null : requirements.copy();
    if (alias != null) {
      dst.alias = new ArrayList<StringType>();
      for (StringType i : alias)
        dst.alias.add(i.copy());
    }
    ;
    dst.min = min == null ? null : min.copy();
    dst.max = max == null ? null : max.copy();
    dst.base = base == null ? null : base.copy();
    dst.contentReference = contentReference == null ? null : contentReference.copy();
    if (type != null) {
      dst.type = new ArrayList<TypeRefComponent>();
      for (TypeRefComponent i : type)
        dst.type.add(i.copy());
    }
    ;
    dst.defaultValue = defaultValue == null ? null : defaultValue.copy();
    dst.meaningWhenMissing = meaningWhenMissing == null ? null : meaningWhenMissing.copy();
    dst.orderMeaning = orderMeaning == null ? null : orderMeaning.copy();
    dst.fixed = fixed == null ? null : fixed.copy();
    dst.pattern = pattern == null ? null : pattern.copy();
    if (example != null) {
      dst.example = new ArrayList<ElementDefinitionExampleComponent>();
      for (ElementDefinitionExampleComponent i : example)
        dst.example.add(i.copy());
    }
    ;
    dst.minValue = minValue == null ? null : minValue.copy();
    dst.maxValue = maxValue == null ? null : maxValue.copy();
    dst.maxLength = maxLength == null ? null : maxLength.copy();
    if (condition != null) {
      dst.condition = new ArrayList<IdType>();
      for (IdType i : condition)
        dst.condition.add(i.copy());
    }
    ;
    if (constraint != null) {
      dst.constraint = new ArrayList<ElementDefinitionConstraintComponent>();
      for (ElementDefinitionConstraintComponent i : constraint)
        dst.constraint.add(i.copy());
    }
    ;
    dst.mustSupport = mustSupport == null ? null : mustSupport.copy();
    dst.isModifier = isModifier == null ? null : isModifier.copy();
    dst.isModifierReason = isModifierReason == null ? null : isModifierReason.copy();
    dst.isSummary = isSummary == null ? null : isSummary.copy();
    dst.binding = binding == null ? null : binding.copy();
    if (mapping != null) {
      dst.mapping = new ArrayList<ElementDefinitionMappingComponent>();
      for (ElementDefinitionMappingComponent i : mapping)
        dst.mapping.add(i.copy());
    }
    ;
  }

  protected ElementDefinition typedCopy() {
    return copy();
  }

  @Override
  public boolean equalsDeep(Base other_) {
    if (!super.equalsDeep(other_))
      return false;
    if (!(other_ instanceof ElementDefinition))
      return false;
    ElementDefinition o = (ElementDefinition) other_;
    return compareDeep(path, o.path, true) && compareDeep(representation, o.representation, true)
        && compareDeep(sliceName, o.sliceName, true) && compareDeep(sliceIsConstraining, o.sliceIsConstraining, true)
        && compareDeep(label, o.label, true) && compareDeep(code, o.code, true) && compareDeep(slicing, o.slicing, true)
        && compareDeep(short_, o.short_, true) && compareDeep(definition, o.definition, true)
        && compareDeep(comment, o.comment, true) && compareDeep(requirements, o.requirements, true)
        && compareDeep(alias, o.alias, true) && compareDeep(min, o.min, true) && compareDeep(max, o.max, true)
        && compareDeep(base, o.base, true) && compareDeep(contentReference, o.contentReference, true)
        && compareDeep(type, o.type, true) && compareDeep(defaultValue, o.defaultValue, true)
        && compareDeep(meaningWhenMissing, o.meaningWhenMissing, true)
        && compareDeep(orderMeaning, o.orderMeaning, true) && compareDeep(fixed, o.fixed, true)
        && compareDeep(pattern, o.pattern, true) && compareDeep(example, o.example, true)
        && compareDeep(minValue, o.minValue, true) && compareDeep(maxValue, o.maxValue, true)
        && compareDeep(maxLength, o.maxLength, true) && compareDeep(condition, o.condition, true)
        && compareDeep(constraint, o.constraint, true) && compareDeep(mustSupport, o.mustSupport, true)
        && compareDeep(isModifier, o.isModifier, true) && compareDeep(isModifierReason, o.isModifierReason, true)
        && compareDeep(isSummary, o.isSummary, true) && compareDeep(binding, o.binding, true)
        && compareDeep(mapping, o.mapping, true);
  }

  @Override
  public boolean equalsShallow(Base other_) {
    if (!super.equalsShallow(other_))
      return false;
    if (!(other_ instanceof ElementDefinition))
      return false;
    ElementDefinition o = (ElementDefinition) other_;
    return compareValues(path, o.path, true) && compareValues(representation, o.representation, true)
        && compareValues(sliceName, o.sliceName, true)
        && compareValues(sliceIsConstraining, o.sliceIsConstraining, true) && compareValues(label, o.label, true)
        && compareValues(short_, o.short_, true) && compareValues(definition, o.definition, true)
        && compareValues(comment, o.comment, true) && compareValues(requirements, o.requirements, true)
        && compareValues(alias, o.alias, true) && compareValues(min, o.min, true) && compareValues(max, o.max, true)
        && compareValues(contentReference, o.contentReference, true)
        && compareValues(meaningWhenMissing, o.meaningWhenMissing, true)
        && compareValues(orderMeaning, o.orderMeaning, true) && compareValues(maxLength, o.maxLength, true)
        && compareValues(condition, o.condition, true) && compareValues(mustSupport, o.mustSupport, true)
        && compareValues(isModifier, o.isModifier, true) && compareValues(isModifierReason, o.isModifierReason, true)
        && compareValues(isSummary, o.isSummary, true);
  }

  public boolean isEmpty() {
    return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(path, representation, sliceName, sliceIsConstraining,
        label, code, slicing, short_, definition, comment, requirements, alias, min, max, base, contentReference, type,
        defaultValue, meaningWhenMissing, orderMeaning, fixed, pattern, example, minValue, maxValue, maxLength,
        condition, constraint, mustSupport, isModifier, isModifierReason, isSummary, binding, mapping);
  }

// added from java-adornments.txt:

  public String toString() {
    if (hasId())
      return getId();
    if (hasSliceName())
      return getPath() + ":" + getSliceName();
    else
      return getPath();
  }

  public void makeBase(String path, int min, String max) {
    ElementDefinitionBaseComponent self = getBase();
    self.setPath(path);
    self.setMin(min);
    self.setMax(max);
  }

  public void makeBase() {
    ElementDefinitionBaseComponent self = getBase();
    self.setPath(getPath());
    self.setMin(getMin());
    self.setMax(getMax());
  }

  public String typeSummary() {
    CommaSeparatedStringBuilder b = new CommaSeparatedStringBuilder();
    for (TypeRefComponent tr : getType()) {
      if (tr.hasCode())
        b.append(tr.getWorkingCode());
    }
    return b.toString();
  }

  public TypeRefComponent getType(String code) {
    for (TypeRefComponent tr : getType())
      if (tr.getCode().equals(code))
        return tr;
    TypeRefComponent tr = new TypeRefComponent();
    tr.setCode(code);
    type.add(tr);
    return tr;
  }

  public static final boolean NOT_MODIFIER = false;
  public static final boolean NOT_IN_SUMMARY = false;
  public static final boolean IS_MODIFIER = true;
  public static final boolean IS_IN_SUMMARY = true;

  public ElementDefinition(boolean defaults, boolean modifier, boolean inSummary) {
    super();
    if (defaults) {
      setIsModifier(modifier);
      setIsSummary(inSummary);
    }
  }

  public String present() {
    return hasId() ? getId() : getPath();
  }

  public boolean hasFixedOrPattern() {
    return hasFixed() || hasPattern();
  }

  public Type getFixedOrPattern() {
    return hasFixed() ? getFixed() : getPattern();
  }

  public String getName() {
    return hasPath() ? getPath().contains(".") ? getPath().substring(getPath().lastIndexOf(".")+1) : getPath() : null;
  }

  public boolean getMustHaveValue() {
   return false;
  }
  public boolean isChoice() {
    return getPath().endsWith("[x]");
  }  
  

  public String getNameBase() {
    return getName().replace("[x]", "");
  }

  public boolean unbounded() {
    return getMax().equals("*") || Integer.parseInt(getMax()) > 1;
  }

  public boolean isMandatory() {
    return getMin() > 0;
  }


  public boolean prohibited() { 
    return "0".equals(getMax()); 
  } 

  public boolean isProhibited() { 
    return "0".equals(getMax()); 
  }   

  public boolean isRequired() { 
    return getMin() == 1; 
  }
// end addition

}