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Builds the hapi fhir r4. Requires hapi-fhir-base and hapi-fhir-utilities be built first and be excluded from any other poms requiring it.

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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.Date;
import java.util.List;

import org.hl7.fhir.exceptions.FHIRException;
import org.hl7.fhir.r4.model.Enumerations.PublicationStatus;
import org.hl7.fhir.r4.model.Enumerations.PublicationStatusEnumFactory;
import org.hl7.fhir.utilities.Utilities;

import ca.uhn.fhir.model.api.annotation.Child;
import ca.uhn.fhir.model.api.annotation.ChildOrder;
import ca.uhn.fhir.model.api.annotation.Description;
import ca.uhn.fhir.model.api.annotation.ResourceDef;
import ca.uhn.fhir.model.api.annotation.SearchParamDefinition;

/**
 * The ResearchDefinition resource describes the conditional state (population
 * and any exposures being compared within the population) and outcome (if
 * specified) that the knowledge (evidence, assertion, recommendation) is about.
 */
@ResourceDef(name = "ResearchDefinition", profile = "http://hl7.org/fhir/StructureDefinition/ResearchDefinition")
@ChildOrder(names = { "url", "identifier", "version", "name", "title", "shortTitle", "subtitle", "status",
    "experimental", "subject[x]", "date", "publisher", "contact", "description", "comment", "useContext",
    "jurisdiction", "purpose", "usage", "copyright", "approvalDate", "lastReviewDate", "effectivePeriod", "topic",
    "author", "editor", "reviewer", "endorser", "relatedArtifact", "library", "population", "exposure",
    "exposureAlternative", "outcome" })
public class ResearchDefinition extends MetadataResource {

  /**
   * A formal identifier that is used to identify this research definition when it
   * is represented in other formats, or referenced in a specification, model,
   * design or an instance.
   */
  @Child(name = "identifier", type = {
      Identifier.class }, order = 0, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Additional identifier for the research definition", formalDefinition = "A formal identifier that is used to identify this research definition when it is represented in other formats, or referenced in a specification, model, design or an instance.")
  protected List identifier;

  /**
   * The short title provides an alternate title for use in informal descriptive
   * contexts where the full, formal title is not necessary.
   */
  @Child(name = "shortTitle", type = {
      StringType.class }, order = 1, min = 0, max = 1, modifier = false, summary = false)
  @Description(shortDefinition = "Title for use in informal contexts", formalDefinition = "The short title provides an alternate title for use in informal descriptive contexts where the full, formal title is not necessary.")
  protected StringType shortTitle;

  /**
   * An explanatory or alternate title for the ResearchDefinition giving
   * additional information about its content.
   */
  @Child(name = "subtitle", type = { StringType.class }, order = 2, min = 0, max = 1, modifier = false, summary = false)
  @Description(shortDefinition = "Subordinate title of the ResearchDefinition", formalDefinition = "An explanatory or alternate title for the ResearchDefinition giving additional information about its content.")
  protected StringType subtitle;

  /**
   * The intended subjects for the ResearchDefinition. If this element is not
   * provided, a Patient subject is assumed, but the subject of the
   * ResearchDefinition can be anything.
   */
  @Child(name = "subject", type = { CodeableConcept.class,
      Group.class }, order = 3, min = 0, max = 1, modifier = false, summary = false)
  @Description(shortDefinition = "E.g. Patient, Practitioner, RelatedPerson, Organization, Location, Device", formalDefinition = "The intended subjects for the ResearchDefinition. If this element is not provided, a Patient subject is assumed, but the subject of the ResearchDefinition can be anything.")
  @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/subject-type")
  protected Type subject;

  /**
   * A human-readable string to clarify or explain concepts about the resource.
   */
  @Child(name = "comment", type = {
      StringType.class }, order = 4, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "Used for footnotes or explanatory notes", formalDefinition = "A human-readable string to clarify or explain concepts about the resource.")
  protected List comment;

  /**
   * Explanation of why this research definition is needed and why it has been
   * designed as it has.
   */
  @Child(name = "purpose", type = {
      MarkdownType.class }, order = 5, min = 0, max = 1, modifier = false, summary = false)
  @Description(shortDefinition = "Why this research definition is defined", formalDefinition = "Explanation of why this research definition is needed and why it has been designed as it has.")
  protected MarkdownType purpose;

  /**
   * A detailed description, from a clinical perspective, of how the
   * ResearchDefinition is used.
   */
  @Child(name = "usage", type = { StringType.class }, order = 6, min = 0, max = 1, modifier = false, summary = false)
  @Description(shortDefinition = "Describes the clinical usage of the ResearchDefinition", formalDefinition = "A detailed description, from a clinical perspective, of how the ResearchDefinition is used.")
  protected StringType usage;

  /**
   * A copyright statement relating to the research definition and/or its
   * contents. Copyright statements are generally legal restrictions on the use
   * and publishing of the research definition.
   */
  @Child(name = "copyright", type = {
      MarkdownType.class }, order = 7, min = 0, max = 1, modifier = false, summary = false)
  @Description(shortDefinition = "Use and/or publishing restrictions", formalDefinition = "A copyright statement relating to the research definition and/or its contents. Copyright statements are generally legal restrictions on the use and publishing of the research definition.")
  protected MarkdownType copyright;

  /**
   * The date on which the resource content was approved by the publisher.
   * Approval happens once when the content is officially approved for usage.
   */
  @Child(name = "approvalDate", type = {
      DateType.class }, order = 8, min = 0, max = 1, modifier = false, summary = false)
  @Description(shortDefinition = "When the research definition was approved by publisher", formalDefinition = "The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.")
  protected DateType approvalDate;

  /**
   * The date on which the resource content was last reviewed. Review happens
   * periodically after approval but does not change the original approval date.
   */
  @Child(name = "lastReviewDate", type = {
      DateType.class }, order = 9, min = 0, max = 1, modifier = false, summary = false)
  @Description(shortDefinition = "When the research definition was last reviewed", formalDefinition = "The date on which the resource content was last reviewed. Review happens periodically after approval but does not change the original approval date.")
  protected DateType lastReviewDate;

  /**
   * The period during which the research definition content was or is planned to
   * be in active use.
   */
  @Child(name = "effectivePeriod", type = {
      Period.class }, order = 10, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "When the research definition is expected to be used", formalDefinition = "The period during which the research definition content was or is planned to be in active use.")
  protected Period effectivePeriod;

  /**
   * Descriptive topics related to the content of the ResearchDefinition. Topics
   * provide a high-level categorization grouping types of ResearchDefinitions
   * that can be useful for filtering and searching.
   */
  @Child(name = "topic", type = {
      CodeableConcept.class }, order = 11, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "The category of the ResearchDefinition, such as Education, Treatment, Assessment, etc.", formalDefinition = "Descriptive topics related to the content of the ResearchDefinition. Topics provide a high-level categorization grouping types of ResearchDefinitions that can be useful for filtering and searching.")
  @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/definition-topic")
  protected List topic;

  /**
   * An individiual or organization primarily involved in the creation and
   * maintenance of the content.
   */
  @Child(name = "author", type = {
      ContactDetail.class }, order = 12, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "Who authored the content", formalDefinition = "An individiual or organization primarily involved in the creation and maintenance of the content.")
  protected List author;

  /**
   * An individual or organization primarily responsible for internal coherence of
   * the content.
   */
  @Child(name = "editor", type = {
      ContactDetail.class }, order = 13, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "Who edited the content", formalDefinition = "An individual or organization primarily responsible for internal coherence of the content.")
  protected List editor;

  /**
   * An individual or organization primarily responsible for review of some aspect
   * of the content.
   */
  @Child(name = "reviewer", type = {
      ContactDetail.class }, order = 14, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "Who reviewed the content", formalDefinition = "An individual or organization primarily responsible for review of some aspect of the content.")
  protected List reviewer;

  /**
   * An individual or organization responsible for officially endorsing the
   * content for use in some setting.
   */
  @Child(name = "endorser", type = {
      ContactDetail.class }, order = 15, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "Who endorsed the content", formalDefinition = "An individual or organization responsible for officially endorsing the content for use in some setting.")
  protected List endorser;

  /**
   * Related artifacts such as additional documentation, justification, or
   * bibliographic references.
   */
  @Child(name = "relatedArtifact", type = {
      RelatedArtifact.class }, order = 16, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "Additional documentation, citations, etc.", formalDefinition = "Related artifacts such as additional documentation, justification, or bibliographic references.")
  protected List relatedArtifact;

  /**
   * A reference to a Library resource containing the formal logic used by the
   * ResearchDefinition.
   */
  @Child(name = "library", type = {
      CanonicalType.class }, order = 17, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "Logic used by the ResearchDefinition", formalDefinition = "A reference to a Library resource containing the formal logic used by the ResearchDefinition.")
  protected List library;

  /**
   * A reference to a ResearchElementDefinition resource that defines the
   * population for the research.
   */
  @Child(name = "population", type = {
      ResearchElementDefinition.class }, order = 18, min = 1, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "What population?", formalDefinition = "A reference to a ResearchElementDefinition resource that defines the population for the research.")
  protected Reference population;

  /**
   * The actual object that is the target of the reference (A reference to a
   * ResearchElementDefinition resource that defines the population for the
   * research.)
   */
  protected ResearchElementDefinition populationTarget;

  /**
   * A reference to a ResearchElementDefinition resource that defines the exposure
   * for the research.
   */
  @Child(name = "exposure", type = {
      ResearchElementDefinition.class }, order = 19, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "What exposure?", formalDefinition = "A reference to a ResearchElementDefinition resource that defines the exposure for the research.")
  protected Reference exposure;

  /**
   * The actual object that is the target of the reference (A reference to a
   * ResearchElementDefinition resource that defines the exposure for the
   * research.)
   */
  protected ResearchElementDefinition exposureTarget;

  /**
   * A reference to a ResearchElementDefinition resource that defines the
   * exposureAlternative for the research.
   */
  @Child(name = "exposureAlternative", type = {
      ResearchElementDefinition.class }, order = 20, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "What alternative exposure state?", formalDefinition = "A reference to a ResearchElementDefinition resource that defines the exposureAlternative for the research.")
  protected Reference exposureAlternative;

  /**
   * The actual object that is the target of the reference (A reference to a
   * ResearchElementDefinition resource that defines the exposureAlternative for
   * the research.)
   */
  protected ResearchElementDefinition exposureAlternativeTarget;

  /**
   * A reference to a ResearchElementDefinition resomece that defines the outcome
   * for the research.
   */
  @Child(name = "outcome", type = {
      ResearchElementDefinition.class }, order = 21, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "What outcome?", formalDefinition = "A reference to a ResearchElementDefinition resomece that defines the outcome for the research.")
  protected Reference outcome;

  /**
   * The actual object that is the target of the reference (A reference to a
   * ResearchElementDefinition resomece that defines the outcome for the
   * research.)
   */
  protected ResearchElementDefinition outcomeTarget;

  private static final long serialVersionUID = -867649565L;

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

  /**
   * Constructor
   */
  public ResearchDefinition(Enumeration status, Reference population) {
    super();
    this.status = status;
    this.population = population;
  }

  /**
   * @return {@link #url} (An absolute URI that is used to identify this research
   *         definition when it is referenced in a specification, model, design or
   *         an instance; also called its canonical identifier. This SHOULD be
   *         globally unique and SHOULD be a literal address at which at which an
   *         authoritative instance of this research definition is (or will be)
   *         published. This URL can be the target of a canonical reference. It
   *         SHALL remain the same when the research definition is stored on
   *         different servers.). This is the underlying object with id, value and
   *         extensions. The accessor "getUrl" gives direct access to the value
   */
  public UriType getUrlElement() {
    if (this.url == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.url");
      else if (Configuration.doAutoCreate())
        this.url = new UriType(); // bb
    return this.url;
  }

  public boolean hasUrlElement() {
    return this.url != null && !this.url.isEmpty();
  }

  public boolean hasUrl() {
    return this.url != null && !this.url.isEmpty();
  }

  /**
   * @param value {@link #url} (An absolute URI that is used to identify this
   *              research definition when it is referenced in a specification,
   *              model, design or an instance; also called its canonical
   *              identifier. This SHOULD be globally unique and SHOULD be a
   *              literal address at which at which an authoritative instance of
   *              this research definition is (or will be) published. This URL can
   *              be the target of a canonical reference. It SHALL remain the same
   *              when the research definition is stored on different servers.).
   *              This is the underlying object with id, value and extensions. The
   *              accessor "getUrl" gives direct access to the value
   */
  public ResearchDefinition setUrlElement(UriType value) {
    this.url = value;
    return this;
  }

  /**
   * @return An absolute URI that is used to identify this research definition
   *         when it is referenced in a specification, model, design or an
   *         instance; also called its canonical identifier. This SHOULD be
   *         globally unique and SHOULD be a literal address at which at which an
   *         authoritative instance of this research definition is (or will be)
   *         published. This URL can be the target of a canonical reference. It
   *         SHALL remain the same when the research definition is stored on
   *         different servers.
   */
  public String getUrl() {
    return this.url == null ? null : this.url.getValue();
  }

  /**
   * @param value An absolute URI that is used to identify this research
   *              definition when it is referenced in a specification, model,
   *              design or an instance; also called its canonical identifier.
   *              This SHOULD be globally unique and SHOULD be a literal address
   *              at which at which an authoritative instance of this research
   *              definition is (or will be) published. This URL can be the target
   *              of a canonical reference. It SHALL remain the same when the
   *              research definition is stored on different servers.
   */
  public ResearchDefinition setUrl(String value) {
    if (Utilities.noString(value))
      this.url = null;
    else {
      if (this.url == null)
        this.url = new UriType();
      this.url.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #identifier} (A formal identifier that is used to identify
   *         this research definition when it is represented in other formats, or
   *         referenced in a specification, model, design or an instance.)
   */
  public List getIdentifier() {
    if (this.identifier == null)
      this.identifier = new ArrayList();
    return this.identifier;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setIdentifier(List theIdentifier) {
    this.identifier = theIdentifier;
    return this;
  }

  public boolean hasIdentifier() {
    if (this.identifier == null)
      return false;
    for (Identifier item : this.identifier)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public Identifier addIdentifier() { // 3
    Identifier t = new Identifier();
    if (this.identifier == null)
      this.identifier = new ArrayList();
    this.identifier.add(t);
    return t;
  }

  public ResearchDefinition addIdentifier(Identifier t) { // 3
    if (t == null)
      return this;
    if (this.identifier == null)
      this.identifier = new ArrayList();
    this.identifier.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #identifier}, creating
   *         it if it does not already exist
   */
  public Identifier getIdentifierFirstRep() {
    if (getIdentifier().isEmpty()) {
      addIdentifier();
    }
    return getIdentifier().get(0);
  }

  /**
   * @return {@link #version} (The identifier that is used to identify this
   *         version of the research definition when it is referenced in a
   *         specification, model, design or instance. This is an arbitrary value
   *         managed by the research definition author and is not expected to be
   *         globally unique. For example, it might be a timestamp (e.g. yyyymmdd)
   *         if a managed version is not available. There is also no expectation
   *         that versions can be placed in a lexicographical sequence. To provide
   *         a version consistent with the Decision Support Service specification,
   *         use the format Major.Minor.Revision (e.g. 1.0.0). For more
   *         information on versioning knowledge assets, refer to the Decision
   *         Support Service specification. Note that a version is required for
   *         non-experimental active artifacts.). This is the underlying object
   *         with id, value and extensions. The accessor "getVersion" gives direct
   *         access to the value
   */
  public StringType getVersionElement() {
    if (this.version == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.version");
      else if (Configuration.doAutoCreate())
        this.version = new StringType(); // bb
    return this.version;
  }

  public boolean hasVersionElement() {
    return this.version != null && !this.version.isEmpty();
  }

  public boolean hasVersion() {
    return this.version != null && !this.version.isEmpty();
  }

  /**
   * @param value {@link #version} (The identifier that is used to identify this
   *              version of the research definition when it is referenced in a
   *              specification, model, design or instance. This is an arbitrary
   *              value managed by the research definition author and is not
   *              expected to be globally unique. For example, it might be a
   *              timestamp (e.g. yyyymmdd) if a managed version is not available.
   *              There is also no expectation that versions can be placed in a
   *              lexicographical sequence. To provide a version consistent with
   *              the Decision Support Service specification, use the format
   *              Major.Minor.Revision (e.g. 1.0.0). For more information on
   *              versioning knowledge assets, refer to the Decision Support
   *              Service specification. Note that a version is required for
   *              non-experimental active artifacts.). This is the underlying
   *              object with id, value and extensions. The accessor "getVersion"
   *              gives direct access to the value
   */
  public ResearchDefinition setVersionElement(StringType value) {
    this.version = value;
    return this;
  }

  /**
   * @return The identifier that is used to identify this version of the research
   *         definition when it is referenced in a specification, model, design or
   *         instance. This is an arbitrary value managed by the research
   *         definition author and is not expected to be globally unique. For
   *         example, it might be a timestamp (e.g. yyyymmdd) if a managed version
   *         is not available. There is also no expectation that versions can be
   *         placed in a lexicographical sequence. To provide a version consistent
   *         with the Decision Support Service specification, use the format
   *         Major.Minor.Revision (e.g. 1.0.0). For more information on versioning
   *         knowledge assets, refer to the Decision Support Service
   *         specification. Note that a version is required for non-experimental
   *         active artifacts.
   */
  public String getVersion() {
    return this.version == null ? null : this.version.getValue();
  }

  /**
   * @param value The identifier that is used to identify this version of the
   *              research definition when it is referenced in a specification,
   *              model, design or instance. This is an arbitrary value managed by
   *              the research definition author and is not expected to be
   *              globally unique. For example, it might be a timestamp (e.g.
   *              yyyymmdd) if a managed version is not available. There is also
   *              no expectation that versions can be placed in a lexicographical
   *              sequence. To provide a version consistent with the Decision
   *              Support Service specification, use the format
   *              Major.Minor.Revision (e.g. 1.0.0). For more information on
   *              versioning knowledge assets, refer to the Decision Support
   *              Service specification. Note that a version is required for
   *              non-experimental active artifacts.
   */
  public ResearchDefinition setVersion(String value) {
    if (Utilities.noString(value))
      this.version = null;
    else {
      if (this.version == null)
        this.version = new StringType();
      this.version.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #name} (A natural language name identifying the research
   *         definition. This name should be usable as an identifier for the
   *         module by machine processing applications such as code generation.).
   *         This is the underlying object with id, value and extensions. The
   *         accessor "getName" gives direct access to the value
   */
  public StringType getNameElement() {
    if (this.name == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.name");
      else if (Configuration.doAutoCreate())
        this.name = new StringType(); // bb
    return this.name;
  }

  public boolean hasNameElement() {
    return this.name != null && !this.name.isEmpty();
  }

  public boolean hasName() {
    return this.name != null && !this.name.isEmpty();
  }

  /**
   * @param value {@link #name} (A natural language name identifying the research
   *              definition. This name should be usable as an identifier for the
   *              module by machine processing applications such as code
   *              generation.). This is the underlying object with id, value and
   *              extensions. The accessor "getName" gives direct access to the
   *              value
   */
  public ResearchDefinition setNameElement(StringType value) {
    this.name = value;
    return this;
  }

  /**
   * @return A natural language name identifying the research definition. This
   *         name should be usable as an identifier for the module by machine
   *         processing applications such as code generation.
   */
  public String getName() {
    return this.name == null ? null : this.name.getValue();
  }

  /**
   * @param value A natural language name identifying the research definition.
   *              This name should be usable as an identifier for the module by
   *              machine processing applications such as code generation.
   */
  public ResearchDefinition setName(String value) {
    if (Utilities.noString(value))
      this.name = null;
    else {
      if (this.name == null)
        this.name = new StringType();
      this.name.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #title} (A short, descriptive, user-friendly title for the
   *         research definition.). This is the underlying object with id, value
   *         and extensions. The accessor "getTitle" gives direct access to the
   *         value
   */
  public StringType getTitleElement() {
    if (this.title == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.title");
      else if (Configuration.doAutoCreate())
        this.title = new StringType(); // bb
    return this.title;
  }

  public boolean hasTitleElement() {
    return this.title != null && !this.title.isEmpty();
  }

  public boolean hasTitle() {
    return this.title != null && !this.title.isEmpty();
  }

  /**
   * @param value {@link #title} (A short, descriptive, user-friendly title for
   *              the research definition.). This is the underlying object with
   *              id, value and extensions. The accessor "getTitle" gives direct
   *              access to the value
   */
  public ResearchDefinition setTitleElement(StringType value) {
    this.title = value;
    return this;
  }

  /**
   * @return A short, descriptive, user-friendly title for the research
   *         definition.
   */
  public String getTitle() {
    return this.title == null ? null : this.title.getValue();
  }

  /**
   * @param value A short, descriptive, user-friendly title for the research
   *              definition.
   */
  public ResearchDefinition setTitle(String value) {
    if (Utilities.noString(value))
      this.title = null;
    else {
      if (this.title == null)
        this.title = new StringType();
      this.title.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #shortTitle} (The short title provides an alternate title for
   *         use in informal descriptive contexts where the full, formal title is
   *         not necessary.). This is the underlying object with id, value and
   *         extensions. The accessor "getShortTitle" gives direct access to the
   *         value
   */
  public StringType getShortTitleElement() {
    if (this.shortTitle == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.shortTitle");
      else if (Configuration.doAutoCreate())
        this.shortTitle = new StringType(); // bb
    return this.shortTitle;
  }

  public boolean hasShortTitleElement() {
    return this.shortTitle != null && !this.shortTitle.isEmpty();
  }

  public boolean hasShortTitle() {
    return this.shortTitle != null && !this.shortTitle.isEmpty();
  }

  /**
   * @param value {@link #shortTitle} (The short title provides an alternate title
   *              for use in informal descriptive contexts where the full, formal
   *              title is not necessary.). This is the underlying object with id,
   *              value and extensions. The accessor "getShortTitle" gives direct
   *              access to the value
   */
  public ResearchDefinition setShortTitleElement(StringType value) {
    this.shortTitle = value;
    return this;
  }

  /**
   * @return The short title provides an alternate title for use in informal
   *         descriptive contexts where the full, formal title is not necessary.
   */
  public String getShortTitle() {
    return this.shortTitle == null ? null : this.shortTitle.getValue();
  }

  /**
   * @param value The short title provides an alternate title for use in informal
   *              descriptive contexts where the full, formal title is not
   *              necessary.
   */
  public ResearchDefinition setShortTitle(String value) {
    if (Utilities.noString(value))
      this.shortTitle = null;
    else {
      if (this.shortTitle == null)
        this.shortTitle = new StringType();
      this.shortTitle.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #subtitle} (An explanatory or alternate title for the
   *         ResearchDefinition giving additional information about its content.).
   *         This is the underlying object with id, value and extensions. The
   *         accessor "getSubtitle" gives direct access to the value
   */
  public StringType getSubtitleElement() {
    if (this.subtitle == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.subtitle");
      else if (Configuration.doAutoCreate())
        this.subtitle = new StringType(); // bb
    return this.subtitle;
  }

  public boolean hasSubtitleElement() {
    return this.subtitle != null && !this.subtitle.isEmpty();
  }

  public boolean hasSubtitle() {
    return this.subtitle != null && !this.subtitle.isEmpty();
  }

  /**
   * @param value {@link #subtitle} (An explanatory or alternate title for the
   *              ResearchDefinition giving additional information about its
   *              content.). This is the underlying object with id, value and
   *              extensions. The accessor "getSubtitle" gives direct access to
   *              the value
   */
  public ResearchDefinition setSubtitleElement(StringType value) {
    this.subtitle = value;
    return this;
  }

  /**
   * @return An explanatory or alternate title for the ResearchDefinition giving
   *         additional information about its content.
   */
  public String getSubtitle() {
    return this.subtitle == null ? null : this.subtitle.getValue();
  }

  /**
   * @param value An explanatory or alternate title for the ResearchDefinition
   *              giving additional information about its content.
   */
  public ResearchDefinition setSubtitle(String value) {
    if (Utilities.noString(value))
      this.subtitle = null;
    else {
      if (this.subtitle == null)
        this.subtitle = new StringType();
      this.subtitle.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #status} (The status of this research definition. Enables
   *         tracking the life-cycle of the content.). This is the underlying
   *         object with id, value and extensions. The accessor "getStatus" gives
   *         direct access to the value
   */
  public Enumeration getStatusElement() {
    if (this.status == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.status");
      else if (Configuration.doAutoCreate())
        this.status = new Enumeration(new PublicationStatusEnumFactory()); // bb
    return this.status;
  }

  public boolean hasStatusElement() {
    return this.status != null && !this.status.isEmpty();
  }

  public boolean hasStatus() {
    return this.status != null && !this.status.isEmpty();
  }

  /**
   * @param value {@link #status} (The status of this research definition. Enables
   *              tracking the life-cycle of the content.). This is the underlying
   *              object with id, value and extensions. The accessor "getStatus"
   *              gives direct access to the value
   */
  public ResearchDefinition setStatusElement(Enumeration value) {
    this.status = value;
    return this;
  }

  /**
   * @return The status of this research definition. Enables tracking the
   *         life-cycle of the content.
   */
  public PublicationStatus getStatus() {
    return this.status == null ? null : this.status.getValue();
  }

  /**
   * @param value The status of this research definition. Enables tracking the
   *              life-cycle of the content.
   */
  public ResearchDefinition setStatus(PublicationStatus value) {
    if (this.status == null)
      this.status = new Enumeration(new PublicationStatusEnumFactory());
    this.status.setValue(value);
    return this;
  }

  /**
   * @return {@link #experimental} (A Boolean value to indicate that this research
   *         definition is authored for testing purposes (or
   *         education/evaluation/marketing) and is not intended to be used for
   *         genuine usage.). This is the underlying object with id, value and
   *         extensions. The accessor "getExperimental" gives direct access to the
   *         value
   */
  public BooleanType getExperimentalElement() {
    if (this.experimental == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.experimental");
      else if (Configuration.doAutoCreate())
        this.experimental = new BooleanType(); // bb
    return this.experimental;
  }

  public boolean hasExperimentalElement() {
    return this.experimental != null && !this.experimental.isEmpty();
  }

  public boolean hasExperimental() {
    return this.experimental != null && !this.experimental.isEmpty();
  }

  /**
   * @param value {@link #experimental} (A Boolean value to indicate that this
   *              research definition is authored for testing purposes (or
   *              education/evaluation/marketing) and is not intended to be used
   *              for genuine usage.). This is the underlying object with id,
   *              value and extensions. The accessor "getExperimental" gives
   *              direct access to the value
   */
  public ResearchDefinition setExperimentalElement(BooleanType value) {
    this.experimental = value;
    return this;
  }

  /**
   * @return A Boolean value to indicate that this research definition is authored
   *         for testing purposes (or education/evaluation/marketing) and is not
   *         intended to be used for genuine usage.
   */
  public boolean getExperimental() {
    return this.experimental == null || this.experimental.isEmpty() ? false : this.experimental.getValue();
  }

  /**
   * @param value A Boolean value to indicate that this research definition is
   *              authored for testing purposes (or
   *              education/evaluation/marketing) and is not intended to be used
   *              for genuine usage.
   */
  public ResearchDefinition setExperimental(boolean value) {
    if (this.experimental == null)
      this.experimental = new BooleanType();
    this.experimental.setValue(value);
    return this;
  }

  /**
   * @return {@link #subject} (The intended subjects for the ResearchDefinition.
   *         If this element is not provided, a Patient subject is assumed, but
   *         the subject of the ResearchDefinition can be anything.)
   */
  public Type getSubject() {
    return this.subject;
  }

  /**
   * @return {@link #subject} (The intended subjects for the ResearchDefinition.
   *         If this element is not provided, a Patient subject is assumed, but
   *         the subject of the ResearchDefinition can be anything.)
   */
  public CodeableConcept getSubjectCodeableConcept() throws FHIRException {
    if (this.subject == null)
      this.subject = new CodeableConcept();
    if (!(this.subject instanceof CodeableConcept))
      throw new FHIRException("Type mismatch: the type CodeableConcept was expected, but "
          + this.subject.getClass().getName() + " was encountered");
    return (CodeableConcept) this.subject;
  }

  public boolean hasSubjectCodeableConcept() {
    return this != null && this.subject instanceof CodeableConcept;
  }

  /**
   * @return {@link #subject} (The intended subjects for the ResearchDefinition.
   *         If this element is not provided, a Patient subject is assumed, but
   *         the subject of the ResearchDefinition can be anything.)
   */
  public Reference getSubjectReference() throws FHIRException {
    if (this.subject == null)
      this.subject = new Reference();
    if (!(this.subject instanceof Reference))
      throw new FHIRException("Type mismatch: the type Reference was expected, but " + this.subject.getClass().getName()
          + " was encountered");
    return (Reference) this.subject;
  }

  public boolean hasSubjectReference() {
    return this != null && this.subject instanceof Reference;
  }

  public boolean hasSubject() {
    return this.subject != null && !this.subject.isEmpty();
  }

  /**
   * @param value {@link #subject} (The intended subjects for the
   *              ResearchDefinition. If this element is not provided, a Patient
   *              subject is assumed, but the subject of the ResearchDefinition
   *              can be anything.)
   */
  public ResearchDefinition setSubject(Type value) {
    if (value != null && !(value instanceof CodeableConcept || value instanceof Reference))
      throw new Error("Not the right type for ResearchDefinition.subject[x]: " + value.fhirType());
    this.subject = value;
    return this;
  }

  /**
   * @return {@link #date} (The date (and optionally time) when the research
   *         definition was published. The date must change when the business
   *         version changes and it must change if the status code changes. In
   *         addition, it should change when the substantive content of the
   *         research definition changes.). This is the underlying object with id,
   *         value and extensions. The accessor "getDate" gives direct access to
   *         the value
   */
  public DateTimeType getDateElement() {
    if (this.date == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.date");
      else if (Configuration.doAutoCreate())
        this.date = new DateTimeType(); // bb
    return this.date;
  }

  public boolean hasDateElement() {
    return this.date != null && !this.date.isEmpty();
  }

  public boolean hasDate() {
    return this.date != null && !this.date.isEmpty();
  }

  /**
   * @param value {@link #date} (The date (and optionally time) when the research
   *              definition was published. The date must change when the business
   *              version changes and it must change if the status code changes.
   *              In addition, it should change when the substantive content of
   *              the research definition changes.). This is the underlying object
   *              with id, value and extensions. The accessor "getDate" gives
   *              direct access to the value
   */
  public ResearchDefinition setDateElement(DateTimeType value) {
    this.date = value;
    return this;
  }

  /**
   * @return The date (and optionally time) when the research definition was
   *         published. The date must change when the business version changes and
   *         it must change if the status code changes. In addition, it should
   *         change when the substantive content of the research definition
   *         changes.
   */
  public Date getDate() {
    return this.date == null ? null : this.date.getValue();
  }

  /**
   * @param value The date (and optionally time) when the research definition was
   *              published. The date must change when the business version
   *              changes and it must change if the status code changes. In
   *              addition, it should change when the substantive content of the
   *              research definition changes.
   */
  public ResearchDefinition setDate(Date value) {
    if (value == null)
      this.date = null;
    else {
      if (this.date == null)
        this.date = new DateTimeType();
      this.date.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #publisher} (The name of the organization or individual that
   *         published the research definition.). This is the underlying object
   *         with id, value and extensions. The accessor "getPublisher" gives
   *         direct access to the value
   */
  public StringType getPublisherElement() {
    if (this.publisher == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.publisher");
      else if (Configuration.doAutoCreate())
        this.publisher = new StringType(); // bb
    return this.publisher;
  }

  public boolean hasPublisherElement() {
    return this.publisher != null && !this.publisher.isEmpty();
  }

  public boolean hasPublisher() {
    return this.publisher != null && !this.publisher.isEmpty();
  }

  /**
   * @param value {@link #publisher} (The name of the organization or individual
   *              that published the research definition.). This is the underlying
   *              object with id, value and extensions. The accessor
   *              "getPublisher" gives direct access to the value
   */
  public ResearchDefinition setPublisherElement(StringType value) {
    this.publisher = value;
    return this;
  }

  /**
   * @return The name of the organization or individual that published the
   *         research definition.
   */
  public String getPublisher() {
    return this.publisher == null ? null : this.publisher.getValue();
  }

  /**
   * @param value The name of the organization or individual that published the
   *              research definition.
   */
  public ResearchDefinition setPublisher(String value) {
    if (Utilities.noString(value))
      this.publisher = null;
    else {
      if (this.publisher == null)
        this.publisher = new StringType();
      this.publisher.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #contact} (Contact details to assist a user in finding and
   *         communicating with the publisher.)
   */
  public List getContact() {
    if (this.contact == null)
      this.contact = new ArrayList();
    return this.contact;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setContact(List theContact) {
    this.contact = theContact;
    return this;
  }

  public boolean hasContact() {
    if (this.contact == null)
      return false;
    for (ContactDetail item : this.contact)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public ContactDetail addContact() { // 3
    ContactDetail t = new ContactDetail();
    if (this.contact == null)
      this.contact = new ArrayList();
    this.contact.add(t);
    return t;
  }

  public ResearchDefinition addContact(ContactDetail t) { // 3
    if (t == null)
      return this;
    if (this.contact == null)
      this.contact = new ArrayList();
    this.contact.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #contact}, creating it
   *         if it does not already exist
   */
  public ContactDetail getContactFirstRep() {
    if (getContact().isEmpty()) {
      addContact();
    }
    return getContact().get(0);
  }

  /**
   * @return {@link #description} (A free text natural language description of the
   *         research definition from a consumer's perspective.). This is the
   *         underlying object with id, value and extensions. The accessor
   *         "getDescription" gives direct access to the value
   */
  public MarkdownType getDescriptionElement() {
    if (this.description == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.description");
      else if (Configuration.doAutoCreate())
        this.description = new MarkdownType(); // 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 free text natural language description
   *              of the research definition from a consumer's perspective.). This
   *              is the underlying object with id, value and extensions. The
   *              accessor "getDescription" gives direct access to the value
   */
  public ResearchDefinition setDescriptionElement(MarkdownType value) {
    this.description = value;
    return this;
  }

  /**
   * @return A free text natural language description of the research definition
   *         from a consumer's perspective.
   */
  public String getDescription() {
    return this.description == null ? null : this.description.getValue();
  }

  /**
   * @param value A free text natural language description of the research
   *              definition from a consumer's perspective.
   */
  public ResearchDefinition setDescription(String value) {
    if (value == null)
      this.description = null;
    else {
      if (this.description == null)
        this.description = new MarkdownType();
      this.description.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #comment} (A human-readable string to clarify or explain
   *         concepts about the resource.)
   */
  public List getComment() {
    if (this.comment == null)
      this.comment = new ArrayList();
    return this.comment;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setComment(List theComment) {
    this.comment = theComment;
    return this;
  }

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

  /**
   * @return {@link #comment} (A human-readable string to clarify or explain
   *         concepts about the resource.)
   */
  public StringType addCommentElement() {// 2
    StringType t = new StringType();
    if (this.comment == null)
      this.comment = new ArrayList();
    this.comment.add(t);
    return t;
  }

  /**
   * @param value {@link #comment} (A human-readable string to clarify or explain
   *              concepts about the resource.)
   */
  public ResearchDefinition addComment(String value) { // 1
    StringType t = new StringType();
    t.setValue(value);
    if (this.comment == null)
      this.comment = new ArrayList();
    this.comment.add(t);
    return this;
  }

  /**
   * @param value {@link #comment} (A human-readable string to clarify or explain
   *              concepts about the resource.)
   */
  public boolean hasComment(String value) {
    if (this.comment == null)
      return false;
    for (StringType v : this.comment)
      if (v.getValue().equals(value)) // string
        return true;
    return false;
  }

  /**
   * @return {@link #useContext} (The content was developed with a focus and
   *         intent of supporting the contexts that are listed. These contexts may
   *         be general categories (gender, age, ...) or may be references to
   *         specific programs (insurance plans, studies, ...) and may be used to
   *         assist with indexing and searching for appropriate research
   *         definition instances.)
   */
  public List getUseContext() {
    if (this.useContext == null)
      this.useContext = new ArrayList();
    return this.useContext;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setUseContext(List theUseContext) {
    this.useContext = theUseContext;
    return this;
  }

  public boolean hasUseContext() {
    if (this.useContext == null)
      return false;
    for (UsageContext item : this.useContext)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public UsageContext addUseContext() { // 3
    UsageContext t = new UsageContext();
    if (this.useContext == null)
      this.useContext = new ArrayList();
    this.useContext.add(t);
    return t;
  }

  public ResearchDefinition addUseContext(UsageContext t) { // 3
    if (t == null)
      return this;
    if (this.useContext == null)
      this.useContext = new ArrayList();
    this.useContext.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #useContext}, creating
   *         it if it does not already exist
   */
  public UsageContext getUseContextFirstRep() {
    if (getUseContext().isEmpty()) {
      addUseContext();
    }
    return getUseContext().get(0);
  }

  /**
   * @return {@link #jurisdiction} (A legal or geographic region in which the
   *         research definition is intended to be used.)
   */
  public List getJurisdiction() {
    if (this.jurisdiction == null)
      this.jurisdiction = new ArrayList();
    return this.jurisdiction;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setJurisdiction(List theJurisdiction) {
    this.jurisdiction = theJurisdiction;
    return this;
  }

  public boolean hasJurisdiction() {
    if (this.jurisdiction == null)
      return false;
    for (CodeableConcept item : this.jurisdiction)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public CodeableConcept addJurisdiction() { // 3
    CodeableConcept t = new CodeableConcept();
    if (this.jurisdiction == null)
      this.jurisdiction = new ArrayList();
    this.jurisdiction.add(t);
    return t;
  }

  public ResearchDefinition addJurisdiction(CodeableConcept t) { // 3
    if (t == null)
      return this;
    if (this.jurisdiction == null)
      this.jurisdiction = new ArrayList();
    this.jurisdiction.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #jurisdiction},
   *         creating it if it does not already exist
   */
  public CodeableConcept getJurisdictionFirstRep() {
    if (getJurisdiction().isEmpty()) {
      addJurisdiction();
    }
    return getJurisdiction().get(0);
  }

  /**
   * @return {@link #purpose} (Explanation of why this research definition is
   *         needed and why it has been designed as it has.). This is the
   *         underlying object with id, value and extensions. The accessor
   *         "getPurpose" gives direct access to the value
   */
  public MarkdownType getPurposeElement() {
    if (this.purpose == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.purpose");
      else if (Configuration.doAutoCreate())
        this.purpose = new MarkdownType(); // bb
    return this.purpose;
  }

  public boolean hasPurposeElement() {
    return this.purpose != null && !this.purpose.isEmpty();
  }

  public boolean hasPurpose() {
    return this.purpose != null && !this.purpose.isEmpty();
  }

  /**
   * @param value {@link #purpose} (Explanation of why this research definition is
   *              needed and why it has been designed as it has.). This is the
   *              underlying object with id, value and extensions. The accessor
   *              "getPurpose" gives direct access to the value
   */
  public ResearchDefinition setPurposeElement(MarkdownType value) {
    this.purpose = value;
    return this;
  }

  /**
   * @return Explanation of why this research definition is needed and why it has
   *         been designed as it has.
   */
  public String getPurpose() {
    return this.purpose == null ? null : this.purpose.getValue();
  }

  /**
   * @param value Explanation of why this research definition is needed and why it
   *              has been designed as it has.
   */
  public ResearchDefinition setPurpose(String value) {
    if (value == null)
      this.purpose = null;
    else {
      if (this.purpose == null)
        this.purpose = new MarkdownType();
      this.purpose.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #usage} (A detailed description, from a clinical perspective,
   *         of how the ResearchDefinition is used.). This is the underlying
   *         object with id, value and extensions. The accessor "getUsage" gives
   *         direct access to the value
   */
  public StringType getUsageElement() {
    if (this.usage == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.usage");
      else if (Configuration.doAutoCreate())
        this.usage = new StringType(); // bb
    return this.usage;
  }

  public boolean hasUsageElement() {
    return this.usage != null && !this.usage.isEmpty();
  }

  public boolean hasUsage() {
    return this.usage != null && !this.usage.isEmpty();
  }

  /**
   * @param value {@link #usage} (A detailed description, from a clinical
   *              perspective, of how the ResearchDefinition is used.). This is
   *              the underlying object with id, value and extensions. The
   *              accessor "getUsage" gives direct access to the value
   */
  public ResearchDefinition setUsageElement(StringType value) {
    this.usage = value;
    return this;
  }

  /**
   * @return A detailed description, from a clinical perspective, of how the
   *         ResearchDefinition is used.
   */
  public String getUsage() {
    return this.usage == null ? null : this.usage.getValue();
  }

  /**
   * @param value A detailed description, from a clinical perspective, of how the
   *              ResearchDefinition is used.
   */
  public ResearchDefinition setUsage(String value) {
    if (Utilities.noString(value))
      this.usage = null;
    else {
      if (this.usage == null)
        this.usage = new StringType();
      this.usage.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #copyright} (A copyright statement relating to the research
   *         definition and/or its contents. Copyright statements are generally
   *         legal restrictions on the use and publishing of the research
   *         definition.). This is the underlying object with id, value and
   *         extensions. The accessor "getCopyright" gives direct access to the
   *         value
   */
  public MarkdownType getCopyrightElement() {
    if (this.copyright == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.copyright");
      else if (Configuration.doAutoCreate())
        this.copyright = new MarkdownType(); // bb
    return this.copyright;
  }

  public boolean hasCopyrightElement() {
    return this.copyright != null && !this.copyright.isEmpty();
  }

  public boolean hasCopyright() {
    return this.copyright != null && !this.copyright.isEmpty();
  }

  /**
   * @param value {@link #copyright} (A copyright statement relating to the
   *              research definition and/or its contents. Copyright statements
   *              are generally legal restrictions on the use and publishing of
   *              the research definition.). This is the underlying object with
   *              id, value and extensions. The accessor "getCopyright" gives
   *              direct access to the value
   */
  public ResearchDefinition setCopyrightElement(MarkdownType value) {
    this.copyright = value;
    return this;
  }

  /**
   * @return A copyright statement relating to the research definition and/or its
   *         contents. Copyright statements are generally legal restrictions on
   *         the use and publishing of the research definition.
   */
  public String getCopyright() {
    return this.copyright == null ? null : this.copyright.getValue();
  }

  /**
   * @param value A copyright statement relating to the research definition and/or
   *              its contents. Copyright statements are generally legal
   *              restrictions on the use and publishing of the research
   *              definition.
   */
  public ResearchDefinition setCopyright(String value) {
    if (value == null)
      this.copyright = null;
    else {
      if (this.copyright == null)
        this.copyright = new MarkdownType();
      this.copyright.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #approvalDate} (The date on which the resource content was
   *         approved by the publisher. Approval happens once when the content is
   *         officially approved for usage.). This is the underlying object with
   *         id, value and extensions. The accessor "getApprovalDate" gives direct
   *         access to the value
   */
  public DateType getApprovalDateElement() {
    if (this.approvalDate == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.approvalDate");
      else if (Configuration.doAutoCreate())
        this.approvalDate = new DateType(); // bb
    return this.approvalDate;
  }

  public boolean hasApprovalDateElement() {
    return this.approvalDate != null && !this.approvalDate.isEmpty();
  }

  public boolean hasApprovalDate() {
    return this.approvalDate != null && !this.approvalDate.isEmpty();
  }

  /**
   * @param value {@link #approvalDate} (The date on which the resource content
   *              was approved by the publisher. Approval happens once when the
   *              content is officially approved for usage.). This is the
   *              underlying object with id, value and extensions. The accessor
   *              "getApprovalDate" gives direct access to the value
   */
  public ResearchDefinition setApprovalDateElement(DateType value) {
    this.approvalDate = value;
    return this;
  }

  /**
   * @return The date on which the resource content was approved by the publisher.
   *         Approval happens once when the content is officially approved for
   *         usage.
   */
  public Date getApprovalDate() {
    return this.approvalDate == null ? null : this.approvalDate.getValue();
  }

  /**
   * @param value The date on which the resource content was approved by the
   *              publisher. Approval happens once when the content is officially
   *              approved for usage.
   */
  public ResearchDefinition setApprovalDate(Date value) {
    if (value == null)
      this.approvalDate = null;
    else {
      if (this.approvalDate == null)
        this.approvalDate = new DateType();
      this.approvalDate.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #lastReviewDate} (The date on which the resource content was
   *         last reviewed. Review happens periodically after approval but does
   *         not change the original approval date.). This is the underlying
   *         object with id, value and extensions. The accessor
   *         "getLastReviewDate" gives direct access to the value
   */
  public DateType getLastReviewDateElement() {
    if (this.lastReviewDate == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.lastReviewDate");
      else if (Configuration.doAutoCreate())
        this.lastReviewDate = new DateType(); // bb
    return this.lastReviewDate;
  }

  public boolean hasLastReviewDateElement() {
    return this.lastReviewDate != null && !this.lastReviewDate.isEmpty();
  }

  public boolean hasLastReviewDate() {
    return this.lastReviewDate != null && !this.lastReviewDate.isEmpty();
  }

  /**
   * @param value {@link #lastReviewDate} (The date on which the resource content
   *              was last reviewed. Review happens periodically after approval
   *              but does not change the original approval date.). This is the
   *              underlying object with id, value and extensions. The accessor
   *              "getLastReviewDate" gives direct access to the value
   */
  public ResearchDefinition setLastReviewDateElement(DateType value) {
    this.lastReviewDate = value;
    return this;
  }

  /**
   * @return The date on which the resource content was last reviewed. Review
   *         happens periodically after approval but does not change the original
   *         approval date.
   */
  public Date getLastReviewDate() {
    return this.lastReviewDate == null ? null : this.lastReviewDate.getValue();
  }

  /**
   * @param value The date on which the resource content was last reviewed. Review
   *              happens periodically after approval but does not change the
   *              original approval date.
   */
  public ResearchDefinition setLastReviewDate(Date value) {
    if (value == null)
      this.lastReviewDate = null;
    else {
      if (this.lastReviewDate == null)
        this.lastReviewDate = new DateType();
      this.lastReviewDate.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #effectivePeriod} (The period during which the research
   *         definition content was or is planned to be in active use.)
   */
  public Period getEffectivePeriod() {
    if (this.effectivePeriod == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.effectivePeriod");
      else if (Configuration.doAutoCreate())
        this.effectivePeriod = new Period(); // cc
    return this.effectivePeriod;
  }

  public boolean hasEffectivePeriod() {
    return this.effectivePeriod != null && !this.effectivePeriod.isEmpty();
  }

  /**
   * @param value {@link #effectivePeriod} (The period during which the research
   *              definition content was or is planned to be in active use.)
   */
  public ResearchDefinition setEffectivePeriod(Period value) {
    this.effectivePeriod = value;
    return this;
  }

  /**
   * @return {@link #topic} (Descriptive topics related to the content of the
   *         ResearchDefinition. Topics provide a high-level categorization
   *         grouping types of ResearchDefinitions that can be useful for
   *         filtering and searching.)
   */
  public List getTopic() {
    if (this.topic == null)
      this.topic = new ArrayList();
    return this.topic;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setTopic(List theTopic) {
    this.topic = theTopic;
    return this;
  }

  public boolean hasTopic() {
    if (this.topic == null)
      return false;
    for (CodeableConcept item : this.topic)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public CodeableConcept addTopic() { // 3
    CodeableConcept t = new CodeableConcept();
    if (this.topic == null)
      this.topic = new ArrayList();
    this.topic.add(t);
    return t;
  }

  public ResearchDefinition addTopic(CodeableConcept t) { // 3
    if (t == null)
      return this;
    if (this.topic == null)
      this.topic = new ArrayList();
    this.topic.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #topic}, creating it
   *         if it does not already exist
   */
  public CodeableConcept getTopicFirstRep() {
    if (getTopic().isEmpty()) {
      addTopic();
    }
    return getTopic().get(0);
  }

  /**
   * @return {@link #author} (An individiual or organization primarily involved in
   *         the creation and maintenance of the content.)
   */
  public List getAuthor() {
    if (this.author == null)
      this.author = new ArrayList();
    return this.author;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setAuthor(List theAuthor) {
    this.author = theAuthor;
    return this;
  }

  public boolean hasAuthor() {
    if (this.author == null)
      return false;
    for (ContactDetail item : this.author)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public ContactDetail addAuthor() { // 3
    ContactDetail t = new ContactDetail();
    if (this.author == null)
      this.author = new ArrayList();
    this.author.add(t);
    return t;
  }

  public ResearchDefinition addAuthor(ContactDetail t) { // 3
    if (t == null)
      return this;
    if (this.author == null)
      this.author = new ArrayList();
    this.author.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #author}, creating it
   *         if it does not already exist
   */
  public ContactDetail getAuthorFirstRep() {
    if (getAuthor().isEmpty()) {
      addAuthor();
    }
    return getAuthor().get(0);
  }

  /**
   * @return {@link #editor} (An individual or organization primarily responsible
   *         for internal coherence of the content.)
   */
  public List getEditor() {
    if (this.editor == null)
      this.editor = new ArrayList();
    return this.editor;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setEditor(List theEditor) {
    this.editor = theEditor;
    return this;
  }

  public boolean hasEditor() {
    if (this.editor == null)
      return false;
    for (ContactDetail item : this.editor)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public ContactDetail addEditor() { // 3
    ContactDetail t = new ContactDetail();
    if (this.editor == null)
      this.editor = new ArrayList();
    this.editor.add(t);
    return t;
  }

  public ResearchDefinition addEditor(ContactDetail t) { // 3
    if (t == null)
      return this;
    if (this.editor == null)
      this.editor = new ArrayList();
    this.editor.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #editor}, creating it
   *         if it does not already exist
   */
  public ContactDetail getEditorFirstRep() {
    if (getEditor().isEmpty()) {
      addEditor();
    }
    return getEditor().get(0);
  }

  /**
   * @return {@link #reviewer} (An individual or organization primarily
   *         responsible for review of some aspect of the content.)
   */
  public List getReviewer() {
    if (this.reviewer == null)
      this.reviewer = new ArrayList();
    return this.reviewer;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setReviewer(List theReviewer) {
    this.reviewer = theReviewer;
    return this;
  }

  public boolean hasReviewer() {
    if (this.reviewer == null)
      return false;
    for (ContactDetail item : this.reviewer)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public ContactDetail addReviewer() { // 3
    ContactDetail t = new ContactDetail();
    if (this.reviewer == null)
      this.reviewer = new ArrayList();
    this.reviewer.add(t);
    return t;
  }

  public ResearchDefinition addReviewer(ContactDetail t) { // 3
    if (t == null)
      return this;
    if (this.reviewer == null)
      this.reviewer = new ArrayList();
    this.reviewer.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #reviewer}, creating
   *         it if it does not already exist
   */
  public ContactDetail getReviewerFirstRep() {
    if (getReviewer().isEmpty()) {
      addReviewer();
    }
    return getReviewer().get(0);
  }

  /**
   * @return {@link #endorser} (An individual or organization responsible for
   *         officially endorsing the content for use in some setting.)
   */
  public List getEndorser() {
    if (this.endorser == null)
      this.endorser = new ArrayList();
    return this.endorser;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setEndorser(List theEndorser) {
    this.endorser = theEndorser;
    return this;
  }

  public boolean hasEndorser() {
    if (this.endorser == null)
      return false;
    for (ContactDetail item : this.endorser)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public ContactDetail addEndorser() { // 3
    ContactDetail t = new ContactDetail();
    if (this.endorser == null)
      this.endorser = new ArrayList();
    this.endorser.add(t);
    return t;
  }

  public ResearchDefinition addEndorser(ContactDetail t) { // 3
    if (t == null)
      return this;
    if (this.endorser == null)
      this.endorser = new ArrayList();
    this.endorser.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #endorser}, creating
   *         it if it does not already exist
   */
  public ContactDetail getEndorserFirstRep() {
    if (getEndorser().isEmpty()) {
      addEndorser();
    }
    return getEndorser().get(0);
  }

  /**
   * @return {@link #relatedArtifact} (Related artifacts such as additional
   *         documentation, justification, or bibliographic references.)
   */
  public List getRelatedArtifact() {
    if (this.relatedArtifact == null)
      this.relatedArtifact = new ArrayList();
    return this.relatedArtifact;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setRelatedArtifact(List theRelatedArtifact) {
    this.relatedArtifact = theRelatedArtifact;
    return this;
  }

  public boolean hasRelatedArtifact() {
    if (this.relatedArtifact == null)
      return false;
    for (RelatedArtifact item : this.relatedArtifact)
      if (!item.isEmpty())
        return true;
    return false;
  }

  public RelatedArtifact addRelatedArtifact() { // 3
    RelatedArtifact t = new RelatedArtifact();
    if (this.relatedArtifact == null)
      this.relatedArtifact = new ArrayList();
    this.relatedArtifact.add(t);
    return t;
  }

  public ResearchDefinition addRelatedArtifact(RelatedArtifact t) { // 3
    if (t == null)
      return this;
    if (this.relatedArtifact == null)
      this.relatedArtifact = new ArrayList();
    this.relatedArtifact.add(t);
    return this;
  }

  /**
   * @return The first repetition of repeating field {@link #relatedArtifact},
   *         creating it if it does not already exist
   */
  public RelatedArtifact getRelatedArtifactFirstRep() {
    if (getRelatedArtifact().isEmpty()) {
      addRelatedArtifact();
    }
    return getRelatedArtifact().get(0);
  }

  /**
   * @return {@link #library} (A reference to a Library resource containing the
   *         formal logic used by the ResearchDefinition.)
   */
  public List getLibrary() {
    if (this.library == null)
      this.library = new ArrayList();
    return this.library;
  }

  /**
   * @return Returns a reference to this for easy method chaining
   */
  public ResearchDefinition setLibrary(List theLibrary) {
    this.library = theLibrary;
    return this;
  }

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

  /**
   * @return {@link #library} (A reference to a Library resource containing the
   *         formal logic used by the ResearchDefinition.)
   */
  public CanonicalType addLibraryElement() {// 2
    CanonicalType t = new CanonicalType();
    if (this.library == null)
      this.library = new ArrayList();
    this.library.add(t);
    return t;
  }

  /**
   * @param value {@link #library} (A reference to a Library resource containing
   *              the formal logic used by the ResearchDefinition.)
   */
  public ResearchDefinition addLibrary(String value) { // 1
    CanonicalType t = new CanonicalType();
    t.setValue(value);
    if (this.library == null)
      this.library = new ArrayList();
    this.library.add(t);
    return this;
  }

  /**
   * @param value {@link #library} (A reference to a Library resource containing
   *              the formal logic used by the ResearchDefinition.)
   */
  public boolean hasLibrary(String value) {
    if (this.library == null)
      return false;
    for (CanonicalType v : this.library)
      if (v.getValue().equals(value)) // canonical(Library)
        return true;
    return false;
  }

  /**
   * @return {@link #population} (A reference to a ResearchElementDefinition
   *         resource that defines the population for the research.)
   */
  public Reference getPopulation() {
    if (this.population == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.population");
      else if (Configuration.doAutoCreate())
        this.population = new Reference(); // cc
    return this.population;
  }

  public boolean hasPopulation() {
    return this.population != null && !this.population.isEmpty();
  }

  /**
   * @param value {@link #population} (A reference to a ResearchElementDefinition
   *              resource that defines the population for the research.)
   */
  public ResearchDefinition setPopulation(Reference value) {
    this.population = value;
    return this;
  }

  /**
   * @return {@link #population} The actual object that is the target of the
   *         reference. The reference library doesn't populate this, but you can
   *         use it to hold the resource if you resolve it. (A reference to a
   *         ResearchElementDefinition resource that defines the population for
   *         the research.)
   */
  public ResearchElementDefinition getPopulationTarget() {
    if (this.populationTarget == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.population");
      else if (Configuration.doAutoCreate())
        this.populationTarget = new ResearchElementDefinition(); // aa
    return this.populationTarget;
  }

  /**
   * @param value {@link #population} The actual object that is the target of the
   *              reference. The reference library doesn't use these, but you can
   *              use it to hold the resource if you resolve it. (A reference to a
   *              ResearchElementDefinition resource that defines the population
   *              for the research.)
   */
  public ResearchDefinition setPopulationTarget(ResearchElementDefinition value) {
    this.populationTarget = value;
    return this;
  }

  /**
   * @return {@link #exposure} (A reference to a ResearchElementDefinition
   *         resource that defines the exposure for the research.)
   */
  public Reference getExposure() {
    if (this.exposure == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.exposure");
      else if (Configuration.doAutoCreate())
        this.exposure = new Reference(); // cc
    return this.exposure;
  }

  public boolean hasExposure() {
    return this.exposure != null && !this.exposure.isEmpty();
  }

  /**
   * @param value {@link #exposure} (A reference to a ResearchElementDefinition
   *              resource that defines the exposure for the research.)
   */
  public ResearchDefinition setExposure(Reference value) {
    this.exposure = value;
    return this;
  }

  /**
   * @return {@link #exposure} The actual object that is the target of the
   *         reference. The reference library doesn't populate this, but you can
   *         use it to hold the resource if you resolve it. (A reference to a
   *         ResearchElementDefinition resource that defines the exposure for the
   *         research.)
   */
  public ResearchElementDefinition getExposureTarget() {
    if (this.exposureTarget == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.exposure");
      else if (Configuration.doAutoCreate())
        this.exposureTarget = new ResearchElementDefinition(); // aa
    return this.exposureTarget;
  }

  /**
   * @param value {@link #exposure} The actual object that is the target of the
   *              reference. The reference library doesn't use these, but you can
   *              use it to hold the resource if you resolve it. (A reference to a
   *              ResearchElementDefinition resource that defines the exposure for
   *              the research.)
   */
  public ResearchDefinition setExposureTarget(ResearchElementDefinition value) {
    this.exposureTarget = value;
    return this;
  }

  /**
   * @return {@link #exposureAlternative} (A reference to a
   *         ResearchElementDefinition resource that defines the
   *         exposureAlternative for the research.)
   */
  public Reference getExposureAlternative() {
    if (this.exposureAlternative == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.exposureAlternative");
      else if (Configuration.doAutoCreate())
        this.exposureAlternative = new Reference(); // cc
    return this.exposureAlternative;
  }

  public boolean hasExposureAlternative() {
    return this.exposureAlternative != null && !this.exposureAlternative.isEmpty();
  }

  /**
   * @param value {@link #exposureAlternative} (A reference to a
   *              ResearchElementDefinition resource that defines the
   *              exposureAlternative for the research.)
   */
  public ResearchDefinition setExposureAlternative(Reference value) {
    this.exposureAlternative = value;
    return this;
  }

  /**
   * @return {@link #exposureAlternative} The actual object that is the target of
   *         the reference. The reference library doesn't populate this, but you
   *         can use it to hold the resource if you resolve it. (A reference to a
   *         ResearchElementDefinition resource that defines the
   *         exposureAlternative for the research.)
   */
  public ResearchElementDefinition getExposureAlternativeTarget() {
    if (this.exposureAlternativeTarget == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.exposureAlternative");
      else if (Configuration.doAutoCreate())
        this.exposureAlternativeTarget = new ResearchElementDefinition(); // aa
    return this.exposureAlternativeTarget;
  }

  /**
   * @param value {@link #exposureAlternative} The actual object that is the
   *              target of the reference. The reference library doesn't use
   *              these, but you can use it to hold the resource if you resolve
   *              it. (A reference to a ResearchElementDefinition resource that
   *              defines the exposureAlternative for the research.)
   */
  public ResearchDefinition setExposureAlternativeTarget(ResearchElementDefinition value) {
    this.exposureAlternativeTarget = value;
    return this;
  }

  /**
   * @return {@link #outcome} (A reference to a ResearchElementDefinition resomece
   *         that defines the outcome for the research.)
   */
  public Reference getOutcome() {
    if (this.outcome == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.outcome");
      else if (Configuration.doAutoCreate())
        this.outcome = new Reference(); // cc
    return this.outcome;
  }

  public boolean hasOutcome() {
    return this.outcome != null && !this.outcome.isEmpty();
  }

  /**
   * @param value {@link #outcome} (A reference to a ResearchElementDefinition
   *              resomece that defines the outcome for the research.)
   */
  public ResearchDefinition setOutcome(Reference value) {
    this.outcome = value;
    return this;
  }

  /**
   * @return {@link #outcome} The actual object that is the target of the
   *         reference. The reference library doesn't populate this, but you can
   *         use it to hold the resource if you resolve it. (A reference to a
   *         ResearchElementDefinition resomece that defines the outcome for the
   *         research.)
   */
  public ResearchElementDefinition getOutcomeTarget() {
    if (this.outcomeTarget == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create ResearchDefinition.outcome");
      else if (Configuration.doAutoCreate())
        this.outcomeTarget = new ResearchElementDefinition(); // aa
    return this.outcomeTarget;
  }

  /**
   * @param value {@link #outcome} The actual object that is the target of the
   *              reference. The reference library doesn't use these, but you can
   *              use it to hold the resource if you resolve it. (A reference to a
   *              ResearchElementDefinition resomece that defines the outcome for
   *              the research.)
   */
  public ResearchDefinition setOutcomeTarget(ResearchElementDefinition value) {
    this.outcomeTarget = value;
    return this;
  }

  protected void listChildren(List children) {
    super.listChildren(children);
    children.add(new Property("url", "uri",
        "An absolute URI that is used to identify this research definition when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this research definition is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the research definition is stored on different servers.",
        0, 1, url));
    children.add(new Property("identifier", "Identifier",
        "A formal identifier that is used to identify this research definition when it is represented in other formats, or referenced in a specification, model, design or an instance.",
        0, java.lang.Integer.MAX_VALUE, identifier));
    children.add(new Property("version", "string",
        "The identifier that is used to identify this version of the research definition when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the research definition author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence. To provide a version consistent with the Decision Support Service specification, use the format Major.Minor.Revision (e.g. 1.0.0). For more information on versioning knowledge assets, refer to the Decision Support Service specification. Note that a version is required for non-experimental active artifacts.",
        0, 1, version));
    children.add(new Property("name", "string",
        "A natural language name identifying the research definition. This name should be usable as an identifier for the module by machine processing applications such as code generation.",
        0, 1, name));
    children.add(new Property("title", "string",
        "A short, descriptive, user-friendly title for the research definition.", 0, 1, title));
    children.add(new Property("shortTitle", "string",
        "The short title provides an alternate title for use in informal descriptive contexts where the full, formal title is not necessary.",
        0, 1, shortTitle));
    children.add(new Property("subtitle", "string",
        "An explanatory or alternate title for the ResearchDefinition giving additional information about its content.",
        0, 1, subtitle));
    children.add(new Property("status", "code",
        "The status of this research definition. Enables tracking the life-cycle of the content.", 0, 1, status));
    children.add(new Property("experimental", "boolean",
        "A Boolean value to indicate that this research definition is authored for testing purposes (or education/evaluation/marketing) and is not intended to be used for genuine usage.",
        0, 1, experimental));
    children.add(new Property("subject[x]", "CodeableConcept|Reference(Group)",
        "The intended subjects for the ResearchDefinition. If this element is not provided, a Patient subject is assumed, but the subject of the ResearchDefinition can be anything.",
        0, 1, subject));
    children.add(new Property("date", "dateTime",
        "The date  (and optionally time) when the research definition was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the research definition changes.",
        0, 1, date));
    children.add(new Property("publisher", "string",
        "The name of the organization or individual that published the research definition.", 0, 1, publisher));
    children.add(new Property("contact", "ContactDetail",
        "Contact details to assist a user in finding and communicating with the publisher.", 0,
        java.lang.Integer.MAX_VALUE, contact));
    children.add(new Property("description", "markdown",
        "A free text natural language description of the research definition from a consumer's perspective.", 0, 1,
        description));
    children.add(
        new Property("comment", "string", "A human-readable string to clarify or explain concepts about the resource.",
            0, java.lang.Integer.MAX_VALUE, comment));
    children.add(new Property("useContext", "UsageContext",
        "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate research definition instances.",
        0, java.lang.Integer.MAX_VALUE, useContext));
    children.add(new Property("jurisdiction", "CodeableConcept",
        "A legal or geographic region in which the research definition is intended to be used.", 0,
        java.lang.Integer.MAX_VALUE, jurisdiction));
    children.add(new Property("purpose", "markdown",
        "Explanation of why this research definition is needed and why it has been designed as it has.", 0, 1,
        purpose));
    children.add(new Property("usage", "string",
        "A detailed description, from a clinical perspective, of how the ResearchDefinition is used.", 0, 1, usage));
    children.add(new Property("copyright", "markdown",
        "A copyright statement relating to the research definition and/or its contents. Copyright statements are generally legal restrictions on the use and publishing of the research definition.",
        0, 1, copyright));
    children.add(new Property("approvalDate", "date",
        "The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.",
        0, 1, approvalDate));
    children.add(new Property("lastReviewDate", "date",
        "The date on which the resource content was last reviewed. Review happens periodically after approval but does not change the original approval date.",
        0, 1, lastReviewDate));
    children.add(new Property("effectivePeriod", "Period",
        "The period during which the research definition content was or is planned to be in active use.", 0, 1,
        effectivePeriod));
    children.add(new Property("topic", "CodeableConcept",
        "Descriptive topics related to the content of the ResearchDefinition. Topics provide a high-level categorization grouping types of ResearchDefinitions that can be useful for filtering and searching.",
        0, java.lang.Integer.MAX_VALUE, topic));
    children.add(new Property("author", "ContactDetail",
        "An individiual or organization primarily involved in the creation and maintenance of the content.", 0,
        java.lang.Integer.MAX_VALUE, author));
    children.add(new Property("editor", "ContactDetail",
        "An individual or organization primarily responsible for internal coherence of the content.", 0,
        java.lang.Integer.MAX_VALUE, editor));
    children.add(new Property("reviewer", "ContactDetail",
        "An individual or organization primarily responsible for review of some aspect of the content.", 0,
        java.lang.Integer.MAX_VALUE, reviewer));
    children.add(new Property("endorser", "ContactDetail",
        "An individual or organization responsible for officially endorsing the content for use in some setting.", 0,
        java.lang.Integer.MAX_VALUE, endorser));
    children.add(new Property("relatedArtifact", "RelatedArtifact",
        "Related artifacts such as additional documentation, justification, or bibliographic references.", 0,
        java.lang.Integer.MAX_VALUE, relatedArtifact));
    children.add(new Property("library", "canonical(Library)",
        "A reference to a Library resource containing the formal logic used by the ResearchDefinition.", 0,
        java.lang.Integer.MAX_VALUE, library));
    children.add(new Property("population", "Reference(ResearchElementDefinition)",
        "A reference to a ResearchElementDefinition resource that defines the population for the research.", 0, 1,
        population));
    children.add(new Property("exposure", "Reference(ResearchElementDefinition)",
        "A reference to a ResearchElementDefinition resource that defines the exposure for the research.", 0, 1,
        exposure));
    children.add(new Property("exposureAlternative", "Reference(ResearchElementDefinition)",
        "A reference to a ResearchElementDefinition resource that defines the exposureAlternative for the research.", 0,
        1, exposureAlternative));
    children.add(new Property("outcome", "Reference(ResearchElementDefinition)",
        "A reference to a ResearchElementDefinition resomece that defines the outcome for the research.", 0, 1,
        outcome));
  }

  @Override
  public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
    switch (_hash) {
    case 116079:
      /* url */ return new Property("url", "uri",
          "An absolute URI that is used to identify this research definition when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this research definition is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the research definition is stored on different servers.",
          0, 1, url);
    case -1618432855:
      /* identifier */ return new Property("identifier", "Identifier",
          "A formal identifier that is used to identify this research definition when it is represented in other formats, or referenced in a specification, model, design or an instance.",
          0, java.lang.Integer.MAX_VALUE, identifier);
    case 351608024:
      /* version */ return new Property("version", "string",
          "The identifier that is used to identify this version of the research definition when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the research definition author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence. To provide a version consistent with the Decision Support Service specification, use the format Major.Minor.Revision (e.g. 1.0.0). For more information on versioning knowledge assets, refer to the Decision Support Service specification. Note that a version is required for non-experimental active artifacts.",
          0, 1, version);
    case 3373707:
      /* name */ return new Property("name", "string",
          "A natural language name identifying the research definition. This name should be usable as an identifier for the module by machine processing applications such as code generation.",
          0, 1, name);
    case 110371416:
      /* title */ return new Property("title", "string",
          "A short, descriptive, user-friendly title for the research definition.", 0, 1, title);
    case 1555503932:
      /* shortTitle */ return new Property("shortTitle", "string",
          "The short title provides an alternate title for use in informal descriptive contexts where the full, formal title is not necessary.",
          0, 1, shortTitle);
    case -2060497896:
      /* subtitle */ return new Property("subtitle", "string",
          "An explanatory or alternate title for the ResearchDefinition giving additional information about its content.",
          0, 1, subtitle);
    case -892481550:
      /* status */ return new Property("status", "code",
          "The status of this research definition. Enables tracking the life-cycle of the content.", 0, 1, status);
    case -404562712:
      /* experimental */ return new Property("experimental", "boolean",
          "A Boolean value to indicate that this research definition is authored for testing purposes (or education/evaluation/marketing) and is not intended to be used for genuine usage.",
          0, 1, experimental);
    case -573640748:
      /* subject[x] */ return new Property("subject[x]", "CodeableConcept|Reference(Group)",
          "The intended subjects for the ResearchDefinition. If this element is not provided, a Patient subject is assumed, but the subject of the ResearchDefinition can be anything.",
          0, 1, subject);
    case -1867885268:
      /* subject */ return new Property("subject[x]", "CodeableConcept|Reference(Group)",
          "The intended subjects for the ResearchDefinition. If this element is not provided, a Patient subject is assumed, but the subject of the ResearchDefinition can be anything.",
          0, 1, subject);
    case -1257122603:
      /* subjectCodeableConcept */ return new Property("subject[x]", "CodeableConcept|Reference(Group)",
          "The intended subjects for the ResearchDefinition. If this element is not provided, a Patient subject is assumed, but the subject of the ResearchDefinition can be anything.",
          0, 1, subject);
    case 772938623:
      /* subjectReference */ return new Property("subject[x]", "CodeableConcept|Reference(Group)",
          "The intended subjects for the ResearchDefinition. If this element is not provided, a Patient subject is assumed, but the subject of the ResearchDefinition can be anything.",
          0, 1, subject);
    case 3076014:
      /* date */ return new Property("date", "dateTime",
          "The date  (and optionally time) when the research definition was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the research definition changes.",
          0, 1, date);
    case 1447404028:
      /* publisher */ return new Property("publisher", "string",
          "The name of the organization or individual that published the research definition.", 0, 1, publisher);
    case 951526432:
      /* contact */ return new Property("contact", "ContactDetail",
          "Contact details to assist a user in finding and communicating with the publisher.", 0,
          java.lang.Integer.MAX_VALUE, contact);
    case -1724546052:
      /* description */ return new Property("description", "markdown",
          "A free text natural language description of the research definition from a consumer's perspective.", 0, 1,
          description);
    case 950398559:
      /* comment */ return new Property("comment", "string",
          "A human-readable string to clarify or explain concepts about the resource.", 0, java.lang.Integer.MAX_VALUE,
          comment);
    case -669707736:
      /* useContext */ return new Property("useContext", "UsageContext",
          "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate research definition instances.",
          0, java.lang.Integer.MAX_VALUE, useContext);
    case -507075711:
      /* jurisdiction */ return new Property("jurisdiction", "CodeableConcept",
          "A legal or geographic region in which the research definition is intended to be used.", 0,
          java.lang.Integer.MAX_VALUE, jurisdiction);
    case -220463842:
      /* purpose */ return new Property("purpose", "markdown",
          "Explanation of why this research definition is needed and why it has been designed as it has.", 0, 1,
          purpose);
    case 111574433:
      /* usage */ return new Property("usage", "string",
          "A detailed description, from a clinical perspective, of how the ResearchDefinition is used.", 0, 1, usage);
    case 1522889671:
      /* copyright */ return new Property("copyright", "markdown",
          "A copyright statement relating to the research definition and/or its contents. Copyright statements are generally legal restrictions on the use and publishing of the research definition.",
          0, 1, copyright);
    case 223539345:
      /* approvalDate */ return new Property("approvalDate", "date",
          "The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.",
          0, 1, approvalDate);
    case -1687512484:
      /* lastReviewDate */ return new Property("lastReviewDate", "date",
          "The date on which the resource content was last reviewed. Review happens periodically after approval but does not change the original approval date.",
          0, 1, lastReviewDate);
    case -403934648:
      /* effectivePeriod */ return new Property("effectivePeriod", "Period",
          "The period during which the research definition content was or is planned to be in active use.", 0, 1,
          effectivePeriod);
    case 110546223:
      /* topic */ return new Property("topic", "CodeableConcept",
          "Descriptive topics related to the content of the ResearchDefinition. Topics provide a high-level categorization grouping types of ResearchDefinitions that can be useful for filtering and searching.",
          0, java.lang.Integer.MAX_VALUE, topic);
    case -1406328437:
      /* author */ return new Property("author", "ContactDetail",
          "An individiual or organization primarily involved in the creation and maintenance of the content.", 0,
          java.lang.Integer.MAX_VALUE, author);
    case -1307827859:
      /* editor */ return new Property("editor", "ContactDetail",
          "An individual or organization primarily responsible for internal coherence of the content.", 0,
          java.lang.Integer.MAX_VALUE, editor);
    case -261190139:
      /* reviewer */ return new Property("reviewer", "ContactDetail",
          "An individual or organization primarily responsible for review of some aspect of the content.", 0,
          java.lang.Integer.MAX_VALUE, reviewer);
    case 1740277666:
      /* endorser */ return new Property("endorser", "ContactDetail",
          "An individual or organization responsible for officially endorsing the content for use in some setting.", 0,
          java.lang.Integer.MAX_VALUE, endorser);
    case 666807069:
      /* relatedArtifact */ return new Property("relatedArtifact", "RelatedArtifact",
          "Related artifacts such as additional documentation, justification, or bibliographic references.", 0,
          java.lang.Integer.MAX_VALUE, relatedArtifact);
    case 166208699:
      /* library */ return new Property("library", "canonical(Library)",
          "A reference to a Library resource containing the formal logic used by the ResearchDefinition.", 0,
          java.lang.Integer.MAX_VALUE, library);
    case -2023558323:
      /* population */ return new Property("population", "Reference(ResearchElementDefinition)",
          "A reference to a ResearchElementDefinition resource that defines the population for the research.", 0, 1,
          population);
    case -1926005497:
      /* exposure */ return new Property("exposure", "Reference(ResearchElementDefinition)",
          "A reference to a ResearchElementDefinition resource that defines the exposure for the research.", 0, 1,
          exposure);
    case -1875462106:
      /* exposureAlternative */ return new Property("exposureAlternative", "Reference(ResearchElementDefinition)",
          "A reference to a ResearchElementDefinition resource that defines the exposureAlternative for the research.",
          0, 1, exposureAlternative);
    case -1106507950:
      /* outcome */ return new Property("outcome", "Reference(ResearchElementDefinition)",
          "A reference to a ResearchElementDefinition resomece that defines the outcome for the research.", 0, 1,
          outcome);
    default:
      return super.getNamedProperty(_hash, _name, _checkValid);
    }

  }

  @Override
  public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
    switch (hash) {
    case 116079:
      /* url */ return this.url == null ? new Base[0] : new Base[] { this.url }; // UriType
    case -1618432855:
      /* identifier */ return this.identifier == null ? new Base[0]
          : this.identifier.toArray(new Base[this.identifier.size()]); // Identifier
    case 351608024:
      /* version */ return this.version == null ? new Base[0] : new Base[] { this.version }; // StringType
    case 3373707:
      /* name */ return this.name == null ? new Base[0] : new Base[] { this.name }; // StringType
    case 110371416:
      /* title */ return this.title == null ? new Base[0] : new Base[] { this.title }; // StringType
    case 1555503932:
      /* shortTitle */ return this.shortTitle == null ? new Base[0] : new Base[] { this.shortTitle }; // StringType
    case -2060497896:
      /* subtitle */ return this.subtitle == null ? new Base[0] : new Base[] { this.subtitle }; // StringType
    case -892481550:
      /* status */ return this.status == null ? new Base[0] : new Base[] { this.status }; // Enumeration
    case -404562712:
      /* experimental */ return this.experimental == null ? new Base[0] : new Base[] { this.experimental }; // BooleanType
    case -1867885268:
      /* subject */ return this.subject == null ? new Base[0] : new Base[] { this.subject }; // Type
    case 3076014:
      /* date */ return this.date == null ? new Base[0] : new Base[] { this.date }; // DateTimeType
    case 1447404028:
      /* publisher */ return this.publisher == null ? new Base[0] : new Base[] { this.publisher }; // StringType
    case 951526432:
      /* contact */ return this.contact == null ? new Base[0] : this.contact.toArray(new Base[this.contact.size()]); // ContactDetail
    case -1724546052:
      /* description */ return this.description == null ? new Base[0] : new Base[] { this.description }; // MarkdownType
    case 950398559:
      /* comment */ return this.comment == null ? new Base[0] : this.comment.toArray(new Base[this.comment.size()]); // StringType
    case -669707736:
      /* useContext */ return this.useContext == null ? new Base[0]
          : this.useContext.toArray(new Base[this.useContext.size()]); // UsageContext
    case -507075711:
      /* jurisdiction */ return this.jurisdiction == null ? new Base[0]
          : this.jurisdiction.toArray(new Base[this.jurisdiction.size()]); // CodeableConcept
    case -220463842:
      /* purpose */ return this.purpose == null ? new Base[0] : new Base[] { this.purpose }; // MarkdownType
    case 111574433:
      /* usage */ return this.usage == null ? new Base[0] : new Base[] { this.usage }; // StringType
    case 1522889671:
      /* copyright */ return this.copyright == null ? new Base[0] : new Base[] { this.copyright }; // MarkdownType
    case 223539345:
      /* approvalDate */ return this.approvalDate == null ? new Base[0] : new Base[] { this.approvalDate }; // DateType
    case -1687512484:
      /* lastReviewDate */ return this.lastReviewDate == null ? new Base[0] : new Base[] { this.lastReviewDate }; // DateType
    case -403934648:
      /* effectivePeriod */ return this.effectivePeriod == null ? new Base[0] : new Base[] { this.effectivePeriod }; // Period
    case 110546223:
      /* topic */ return this.topic == null ? new Base[0] : this.topic.toArray(new Base[this.topic.size()]); // CodeableConcept
    case -1406328437:
      /* author */ return this.author == null ? new Base[0] : this.author.toArray(new Base[this.author.size()]); // ContactDetail
    case -1307827859:
      /* editor */ return this.editor == null ? new Base[0] : this.editor.toArray(new Base[this.editor.size()]); // ContactDetail
    case -261190139:
      /* reviewer */ return this.reviewer == null ? new Base[0] : this.reviewer.toArray(new Base[this.reviewer.size()]); // ContactDetail
    case 1740277666:
      /* endorser */ return this.endorser == null ? new Base[0] : this.endorser.toArray(new Base[this.endorser.size()]); // ContactDetail
    case 666807069:
      /* relatedArtifact */ return this.relatedArtifact == null ? new Base[0]
          : this.relatedArtifact.toArray(new Base[this.relatedArtifact.size()]); // RelatedArtifact
    case 166208699:
      /* library */ return this.library == null ? new Base[0] : this.library.toArray(new Base[this.library.size()]); // CanonicalType
    case -2023558323:
      /* population */ return this.population == null ? new Base[0] : new Base[] { this.population }; // Reference
    case -1926005497:
      /* exposure */ return this.exposure == null ? new Base[0] : new Base[] { this.exposure }; // Reference
    case -1875462106:
      /* exposureAlternative */ return this.exposureAlternative == null ? new Base[0]
          : new Base[] { this.exposureAlternative }; // Reference
    case -1106507950:
      /* outcome */ return this.outcome == null ? new Base[0] : new Base[] { this.outcome }; // Reference
    default:
      return super.getProperty(hash, name, checkValid);
    }

  }

  @Override
  public Base setProperty(int hash, String name, Base value) throws FHIRException {
    switch (hash) {
    case 116079: // url
      this.url = castToUri(value); // UriType
      return value;
    case -1618432855: // identifier
      this.getIdentifier().add(castToIdentifier(value)); // Identifier
      return value;
    case 351608024: // version
      this.version = castToString(value); // StringType
      return value;
    case 3373707: // name
      this.name = castToString(value); // StringType
      return value;
    case 110371416: // title
      this.title = castToString(value); // StringType
      return value;
    case 1555503932: // shortTitle
      this.shortTitle = castToString(value); // StringType
      return value;
    case -2060497896: // subtitle
      this.subtitle = castToString(value); // StringType
      return value;
    case -892481550: // status
      value = new PublicationStatusEnumFactory().fromType(castToCode(value));
      this.status = (Enumeration) value; // Enumeration
      return value;
    case -404562712: // experimental
      this.experimental = castToBoolean(value); // BooleanType
      return value;
    case -1867885268: // subject
      this.subject = castToType(value); // Type
      return value;
    case 3076014: // date
      this.date = castToDateTime(value); // DateTimeType
      return value;
    case 1447404028: // publisher
      this.publisher = castToString(value); // StringType
      return value;
    case 951526432: // contact
      this.getContact().add(castToContactDetail(value)); // ContactDetail
      return value;
    case -1724546052: // description
      this.description = castToMarkdown(value); // MarkdownType
      return value;
    case 950398559: // comment
      this.getComment().add(castToString(value)); // StringType
      return value;
    case -669707736: // useContext
      this.getUseContext().add(castToUsageContext(value)); // UsageContext
      return value;
    case -507075711: // jurisdiction
      this.getJurisdiction().add(castToCodeableConcept(value)); // CodeableConcept
      return value;
    case -220463842: // purpose
      this.purpose = castToMarkdown(value); // MarkdownType
      return value;
    case 111574433: // usage
      this.usage = castToString(value); // StringType
      return value;
    case 1522889671: // copyright
      this.copyright = castToMarkdown(value); // MarkdownType
      return value;
    case 223539345: // approvalDate
      this.approvalDate = castToDate(value); // DateType
      return value;
    case -1687512484: // lastReviewDate
      this.lastReviewDate = castToDate(value); // DateType
      return value;
    case -403934648: // effectivePeriod
      this.effectivePeriod = castToPeriod(value); // Period
      return value;
    case 110546223: // topic
      this.getTopic().add(castToCodeableConcept(value)); // CodeableConcept
      return value;
    case -1406328437: // author
      this.getAuthor().add(castToContactDetail(value)); // ContactDetail
      return value;
    case -1307827859: // editor
      this.getEditor().add(castToContactDetail(value)); // ContactDetail
      return value;
    case -261190139: // reviewer
      this.getReviewer().add(castToContactDetail(value)); // ContactDetail
      return value;
    case 1740277666: // endorser
      this.getEndorser().add(castToContactDetail(value)); // ContactDetail
      return value;
    case 666807069: // relatedArtifact
      this.getRelatedArtifact().add(castToRelatedArtifact(value)); // RelatedArtifact
      return value;
    case 166208699: // library
      this.getLibrary().add(castToCanonical(value)); // CanonicalType
      return value;
    case -2023558323: // population
      this.population = castToReference(value); // Reference
      return value;
    case -1926005497: // exposure
      this.exposure = castToReference(value); // Reference
      return value;
    case -1875462106: // exposureAlternative
      this.exposureAlternative = castToReference(value); // Reference
      return value;
    case -1106507950: // outcome
      this.outcome = castToReference(value); // Reference
      return value;
    default:
      return super.setProperty(hash, name, value);
    }

  }

  @Override
  public Base setProperty(String name, Base value) throws FHIRException {
    if (name.equals("url")) {
      this.url = castToUri(value); // UriType
    } else if (name.equals("identifier")) {
      this.getIdentifier().add(castToIdentifier(value));
    } else if (name.equals("version")) {
      this.version = castToString(value); // StringType
    } else if (name.equals("name")) {
      this.name = castToString(value); // StringType
    } else if (name.equals("title")) {
      this.title = castToString(value); // StringType
    } else if (name.equals("shortTitle")) {
      this.shortTitle = castToString(value); // StringType
    } else if (name.equals("subtitle")) {
      this.subtitle = castToString(value); // StringType
    } else if (name.equals("status")) {
      value = new PublicationStatusEnumFactory().fromType(castToCode(value));
      this.status = (Enumeration) value; // Enumeration
    } else if (name.equals("experimental")) {
      this.experimental = castToBoolean(value); // BooleanType
    } else if (name.equals("subject[x]")) {
      this.subject = castToType(value); // Type
    } else if (name.equals("date")) {
      this.date = castToDateTime(value); // DateTimeType
    } else if (name.equals("publisher")) {
      this.publisher = castToString(value); // StringType
    } else if (name.equals("contact")) {
      this.getContact().add(castToContactDetail(value));
    } else if (name.equals("description")) {
      this.description = castToMarkdown(value); // MarkdownType
    } else if (name.equals("comment")) {
      this.getComment().add(castToString(value));
    } else if (name.equals("useContext")) {
      this.getUseContext().add(castToUsageContext(value));
    } else if (name.equals("jurisdiction")) {
      this.getJurisdiction().add(castToCodeableConcept(value));
    } else if (name.equals("purpose")) {
      this.purpose = castToMarkdown(value); // MarkdownType
    } else if (name.equals("usage")) {
      this.usage = castToString(value); // StringType
    } else if (name.equals("copyright")) {
      this.copyright = castToMarkdown(value); // MarkdownType
    } else if (name.equals("approvalDate")) {
      this.approvalDate = castToDate(value); // DateType
    } else if (name.equals("lastReviewDate")) {
      this.lastReviewDate = castToDate(value); // DateType
    } else if (name.equals("effectivePeriod")) {
      this.effectivePeriod = castToPeriod(value); // Period
    } else if (name.equals("topic")) {
      this.getTopic().add(castToCodeableConcept(value));
    } else if (name.equals("author")) {
      this.getAuthor().add(castToContactDetail(value));
    } else if (name.equals("editor")) {
      this.getEditor().add(castToContactDetail(value));
    } else if (name.equals("reviewer")) {
      this.getReviewer().add(castToContactDetail(value));
    } else if (name.equals("endorser")) {
      this.getEndorser().add(castToContactDetail(value));
    } else if (name.equals("relatedArtifact")) {
      this.getRelatedArtifact().add(castToRelatedArtifact(value));
    } else if (name.equals("library")) {
      this.getLibrary().add(castToCanonical(value));
    } else if (name.equals("population")) {
      this.population = castToReference(value); // Reference
    } else if (name.equals("exposure")) {
      this.exposure = castToReference(value); // Reference
    } else if (name.equals("exposureAlternative")) {
      this.exposureAlternative = castToReference(value); // Reference
    } else if (name.equals("outcome")) {
      this.outcome = castToReference(value); // Reference
    } else
      return super.setProperty(name, value);
    return value;
  }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
    if (name.equals("url")) {
      this.url = null;
    } else if (name.equals("identifier")) {
      this.getIdentifier().remove(castToIdentifier(value));
    } else if (name.equals("version")) {
      this.version = null;
    } else if (name.equals("name")) {
      this.name = null;
    } else if (name.equals("title")) {
      this.title = null;
    } else if (name.equals("shortTitle")) {
      this.shortTitle = null;
    } else if (name.equals("subtitle")) {
      this.subtitle = null;
    } else if (name.equals("status")) {
      this.status = null;
    } else if (name.equals("experimental")) {
      this.experimental = null;
    } else if (name.equals("subject[x]")) {
      this.subject = null;
    } else if (name.equals("date")) {
      this.date = null;
    } else if (name.equals("publisher")) {
      this.publisher = null;
    } else if (name.equals("contact")) {
      this.getContact().remove(castToContactDetail(value));
    } else if (name.equals("description")) {
      this.description = null;
    } else if (name.equals("comment")) {
      this.getComment().remove(castToString(value));
    } else if (name.equals("useContext")) {
      this.getUseContext().remove(castToUsageContext(value));
    } else if (name.equals("jurisdiction")) {
      this.getJurisdiction().remove(castToCodeableConcept(value));
    } else if (name.equals("purpose")) {
      this.purpose = null;
    } else if (name.equals("usage")) {
      this.usage = null;
    } else if (name.equals("copyright")) {
      this.copyright = null;
    } else if (name.equals("approvalDate")) {
      this.approvalDate = null;
    } else if (name.equals("lastReviewDate")) {
      this.lastReviewDate = null;
    } else if (name.equals("effectivePeriod")) {
      this.effectivePeriod = null;
    } else if (name.equals("topic")) {
      this.getTopic().remove(castToCodeableConcept(value));
    } else if (name.equals("author")) {
      this.getAuthor().remove(castToContactDetail(value));
    } else if (name.equals("editor")) {
      this.getEditor().remove(castToContactDetail(value));
    } else if (name.equals("reviewer")) {
      this.getReviewer().remove(castToContactDetail(value));
    } else if (name.equals("endorser")) {
      this.getEndorser().remove(castToContactDetail(value));
    } else if (name.equals("relatedArtifact")) {
      this.getRelatedArtifact().remove(castToRelatedArtifact(value));
    } else if (name.equals("library")) {
      this.getLibrary().remove(castToCanonical(value));
    } else if (name.equals("population")) {
      this.population = null;
    } else if (name.equals("exposure")) {
      this.exposure = null;
    } else if (name.equals("exposureAlternative")) {
      this.exposureAlternative = null;
    } else if (name.equals("outcome")) {
      this.outcome = null;
    } else
      super.removeChild(name, value);
    
  }

  @Override
  public Base makeProperty(int hash, String name) throws FHIRException {
    switch (hash) {
    case 116079:
      return getUrlElement();
    case -1618432855:
      return addIdentifier();
    case 351608024:
      return getVersionElement();
    case 3373707:
      return getNameElement();
    case 110371416:
      return getTitleElement();
    case 1555503932:
      return getShortTitleElement();
    case -2060497896:
      return getSubtitleElement();
    case -892481550:
      return getStatusElement();
    case -404562712:
      return getExperimentalElement();
    case -573640748:
      return getSubject();
    case -1867885268:
      return getSubject();
    case 3076014:
      return getDateElement();
    case 1447404028:
      return getPublisherElement();
    case 951526432:
      return addContact();
    case -1724546052:
      return getDescriptionElement();
    case 950398559:
      return addCommentElement();
    case -669707736:
      return addUseContext();
    case -507075711:
      return addJurisdiction();
    case -220463842:
      return getPurposeElement();
    case 111574433:
      return getUsageElement();
    case 1522889671:
      return getCopyrightElement();
    case 223539345:
      return getApprovalDateElement();
    case -1687512484:
      return getLastReviewDateElement();
    case -403934648:
      return getEffectivePeriod();
    case 110546223:
      return addTopic();
    case -1406328437:
      return addAuthor();
    case -1307827859:
      return addEditor();
    case -261190139:
      return addReviewer();
    case 1740277666:
      return addEndorser();
    case 666807069:
      return addRelatedArtifact();
    case 166208699:
      return addLibraryElement();
    case -2023558323:
      return getPopulation();
    case -1926005497:
      return getExposure();
    case -1875462106:
      return getExposureAlternative();
    case -1106507950:
      return getOutcome();
    default:
      return super.makeProperty(hash, name);
    }

  }

  @Override
  public String[] getTypesForProperty(int hash, String name) throws FHIRException {
    switch (hash) {
    case 116079:
      /* url */ return new String[] { "uri" };
    case -1618432855:
      /* identifier */ return new String[] { "Identifier" };
    case 351608024:
      /* version */ return new String[] { "string" };
    case 3373707:
      /* name */ return new String[] { "string" };
    case 110371416:
      /* title */ return new String[] { "string" };
    case 1555503932:
      /* shortTitle */ return new String[] { "string" };
    case -2060497896:
      /* subtitle */ return new String[] { "string" };
    case -892481550:
      /* status */ return new String[] { "code" };
    case -404562712:
      /* experimental */ return new String[] { "boolean" };
    case -1867885268:
      /* subject */ return new String[] { "CodeableConcept", "Reference" };
    case 3076014:
      /* date */ return new String[] { "dateTime" };
    case 1447404028:
      /* publisher */ return new String[] { "string" };
    case 951526432:
      /* contact */ return new String[] { "ContactDetail" };
    case -1724546052:
      /* description */ return new String[] { "markdown" };
    case 950398559:
      /* comment */ return new String[] { "string" };
    case -669707736:
      /* useContext */ return new String[] { "UsageContext" };
    case -507075711:
      /* jurisdiction */ return new String[] { "CodeableConcept" };
    case -220463842:
      /* purpose */ return new String[] { "markdown" };
    case 111574433:
      /* usage */ return new String[] { "string" };
    case 1522889671:
      /* copyright */ return new String[] { "markdown" };
    case 223539345:
      /* approvalDate */ return new String[] { "date" };
    case -1687512484:
      /* lastReviewDate */ return new String[] { "date" };
    case -403934648:
      /* effectivePeriod */ return new String[] { "Period" };
    case 110546223:
      /* topic */ return new String[] { "CodeableConcept" };
    case -1406328437:
      /* author */ return new String[] { "ContactDetail" };
    case -1307827859:
      /* editor */ return new String[] { "ContactDetail" };
    case -261190139:
      /* reviewer */ return new String[] { "ContactDetail" };
    case 1740277666:
      /* endorser */ return new String[] { "ContactDetail" };
    case 666807069:
      /* relatedArtifact */ return new String[] { "RelatedArtifact" };
    case 166208699:
      /* library */ return new String[] { "canonical" };
    case -2023558323:
      /* population */ return new String[] { "Reference" };
    case -1926005497:
      /* exposure */ return new String[] { "Reference" };
    case -1875462106:
      /* exposureAlternative */ return new String[] { "Reference" };
    case -1106507950:
      /* outcome */ return new String[] { "Reference" };
    default:
      return super.getTypesForProperty(hash, name);
    }

  }

  @Override
  public Base addChild(String name) throws FHIRException {
    if (name.equals("url")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.url");
    } else if (name.equals("identifier")) {
      return addIdentifier();
    } else if (name.equals("version")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.version");
    } else if (name.equals("name")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.name");
    } else if (name.equals("title")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.title");
    } else if (name.equals("shortTitle")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.shortTitle");
    } else if (name.equals("subtitle")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.subtitle");
    } else if (name.equals("status")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.status");
    } else if (name.equals("experimental")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.experimental");
    } else if (name.equals("subjectCodeableConcept")) {
      this.subject = new CodeableConcept();
      return this.subject;
    } else if (name.equals("subjectReference")) {
      this.subject = new Reference();
      return this.subject;
    } else if (name.equals("date")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.date");
    } else if (name.equals("publisher")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.publisher");
    } else if (name.equals("contact")) {
      return addContact();
    } else if (name.equals("description")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.description");
    } else if (name.equals("comment")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.comment");
    } else if (name.equals("useContext")) {
      return addUseContext();
    } else if (name.equals("jurisdiction")) {
      return addJurisdiction();
    } else if (name.equals("purpose")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.purpose");
    } else if (name.equals("usage")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.usage");
    } else if (name.equals("copyright")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.copyright");
    } else if (name.equals("approvalDate")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.approvalDate");
    } else if (name.equals("lastReviewDate")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.lastReviewDate");
    } else if (name.equals("effectivePeriod")) {
      this.effectivePeriod = new Period();
      return this.effectivePeriod;
    } else if (name.equals("topic")) {
      return addTopic();
    } else if (name.equals("author")) {
      return addAuthor();
    } else if (name.equals("editor")) {
      return addEditor();
    } else if (name.equals("reviewer")) {
      return addReviewer();
    } else if (name.equals("endorser")) {
      return addEndorser();
    } else if (name.equals("relatedArtifact")) {
      return addRelatedArtifact();
    } else if (name.equals("library")) {
      throw new FHIRException("Cannot call addChild on a singleton property ResearchDefinition.library");
    } else if (name.equals("population")) {
      this.population = new Reference();
      return this.population;
    } else if (name.equals("exposure")) {
      this.exposure = new Reference();
      return this.exposure;
    } else if (name.equals("exposureAlternative")) {
      this.exposureAlternative = new Reference();
      return this.exposureAlternative;
    } else if (name.equals("outcome")) {
      this.outcome = new Reference();
      return this.outcome;
    } else
      return super.addChild(name);
  }

  public String fhirType() {
    return "ResearchDefinition";

  }

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

  public void copyValues(ResearchDefinition dst) {
    super.copyValues(dst);
    dst.url = url == null ? null : url.copy();
    if (identifier != null) {
      dst.identifier = new ArrayList();
      for (Identifier i : identifier)
        dst.identifier.add(i.copy());
    }
    ;
    dst.version = version == null ? null : version.copy();
    dst.name = name == null ? null : name.copy();
    dst.title = title == null ? null : title.copy();
    dst.shortTitle = shortTitle == null ? null : shortTitle.copy();
    dst.subtitle = subtitle == null ? null : subtitle.copy();
    dst.status = status == null ? null : status.copy();
    dst.experimental = experimental == null ? null : experimental.copy();
    dst.subject = subject == null ? null : subject.copy();
    dst.date = date == null ? null : date.copy();
    dst.publisher = publisher == null ? null : publisher.copy();
    if (contact != null) {
      dst.contact = new ArrayList();
      for (ContactDetail i : contact)
        dst.contact.add(i.copy());
    }
    ;
    dst.description = description == null ? null : description.copy();
    if (comment != null) {
      dst.comment = new ArrayList();
      for (StringType i : comment)
        dst.comment.add(i.copy());
    }
    ;
    if (useContext != null) {
      dst.useContext = new ArrayList();
      for (UsageContext i : useContext)
        dst.useContext.add(i.copy());
    }
    ;
    if (jurisdiction != null) {
      dst.jurisdiction = new ArrayList();
      for (CodeableConcept i : jurisdiction)
        dst.jurisdiction.add(i.copy());
    }
    ;
    dst.purpose = purpose == null ? null : purpose.copy();
    dst.usage = usage == null ? null : usage.copy();
    dst.copyright = copyright == null ? null : copyright.copy();
    dst.approvalDate = approvalDate == null ? null : approvalDate.copy();
    dst.lastReviewDate = lastReviewDate == null ? null : lastReviewDate.copy();
    dst.effectivePeriod = effectivePeriod == null ? null : effectivePeriod.copy();
    if (topic != null) {
      dst.topic = new ArrayList();
      for (CodeableConcept i : topic)
        dst.topic.add(i.copy());
    }
    ;
    if (author != null) {
      dst.author = new ArrayList();
      for (ContactDetail i : author)
        dst.author.add(i.copy());
    }
    ;
    if (editor != null) {
      dst.editor = new ArrayList();
      for (ContactDetail i : editor)
        dst.editor.add(i.copy());
    }
    ;
    if (reviewer != null) {
      dst.reviewer = new ArrayList();
      for (ContactDetail i : reviewer)
        dst.reviewer.add(i.copy());
    }
    ;
    if (endorser != null) {
      dst.endorser = new ArrayList();
      for (ContactDetail i : endorser)
        dst.endorser.add(i.copy());
    }
    ;
    if (relatedArtifact != null) {
      dst.relatedArtifact = new ArrayList();
      for (RelatedArtifact i : relatedArtifact)
        dst.relatedArtifact.add(i.copy());
    }
    ;
    if (library != null) {
      dst.library = new ArrayList();
      for (CanonicalType i : library)
        dst.library.add(i.copy());
    }
    ;
    dst.population = population == null ? null : population.copy();
    dst.exposure = exposure == null ? null : exposure.copy();
    dst.exposureAlternative = exposureAlternative == null ? null : exposureAlternative.copy();
    dst.outcome = outcome == null ? null : outcome.copy();
  }

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

  @Override
  public boolean equalsDeep(Base other_) {
    if (!super.equalsDeep(other_))
      return false;
    if (!(other_ instanceof ResearchDefinition))
      return false;
    ResearchDefinition o = (ResearchDefinition) other_;
    return compareDeep(identifier, o.identifier, true) && compareDeep(shortTitle, o.shortTitle, true)
        && compareDeep(subtitle, o.subtitle, true) && compareDeep(subject, o.subject, true)
        && compareDeep(comment, o.comment, true) && compareDeep(purpose, o.purpose, true)
        && compareDeep(usage, o.usage, true) && compareDeep(copyright, o.copyright, true)
        && compareDeep(approvalDate, o.approvalDate, true) && compareDeep(lastReviewDate, o.lastReviewDate, true)
        && compareDeep(effectivePeriod, o.effectivePeriod, true) && compareDeep(topic, o.topic, true)
        && compareDeep(author, o.author, true) && compareDeep(editor, o.editor, true)
        && compareDeep(reviewer, o.reviewer, true) && compareDeep(endorser, o.endorser, true)
        && compareDeep(relatedArtifact, o.relatedArtifact, true) && compareDeep(library, o.library, true)
        && compareDeep(population, o.population, true) && compareDeep(exposure, o.exposure, true)
        && compareDeep(exposureAlternative, o.exposureAlternative, true) && compareDeep(outcome, o.outcome, true);
  }

  @Override
  public boolean equalsShallow(Base other_) {
    if (!super.equalsShallow(other_))
      return false;
    if (!(other_ instanceof ResearchDefinition))
      return false;
    ResearchDefinition o = (ResearchDefinition) other_;
    return compareValues(shortTitle, o.shortTitle, true) && compareValues(subtitle, o.subtitle, true)
        && compareValues(comment, o.comment, true) && compareValues(purpose, o.purpose, true)
        && compareValues(usage, o.usage, true) && compareValues(copyright, o.copyright, true)
        && compareValues(approvalDate, o.approvalDate, true) && compareValues(lastReviewDate, o.lastReviewDate, true);
  }

  public boolean isEmpty() {
    return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(identifier, shortTitle, subtitle, subject, comment,
        purpose, usage, copyright, approvalDate, lastReviewDate, effectivePeriod, topic, author, editor, reviewer,
        endorser, relatedArtifact, library, population, exposure, exposureAlternative, outcome);
  }

  @Override
  public ResourceType getResourceType() {
    return ResourceType.ResearchDefinition;
  }

  /**
   * Search parameter: date
   * 

* Description: The research definition publication date
* Type: date
* Path: ResearchDefinition.date
*

*/ @SearchParamDefinition(name = "date", path = "ResearchDefinition.date", description = "The research definition publication date", type = "date") public static final String SP_DATE = "date"; /** * Fluent Client search parameter constant for date *

* Description: The research definition publication date
* Type: date
* Path: ResearchDefinition.date
*

*/ public static final ca.uhn.fhir.rest.gclient.DateClientParam DATE = new ca.uhn.fhir.rest.gclient.DateClientParam( SP_DATE); /** * Search parameter: identifier *

* Description: External identifier for the research definition
* Type: token
* Path: ResearchDefinition.identifier
*

*/ @SearchParamDefinition(name = "identifier", path = "ResearchDefinition.identifier", description = "External identifier for the research definition", type = "token") public static final String SP_IDENTIFIER = "identifier"; /** * Fluent Client search parameter constant for identifier *

* Description: External identifier for the research definition
* Type: token
* Path: ResearchDefinition.identifier
*

*/ public static final ca.uhn.fhir.rest.gclient.TokenClientParam IDENTIFIER = new ca.uhn.fhir.rest.gclient.TokenClientParam( SP_IDENTIFIER); /** * Search parameter: successor *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource
*

*/ @SearchParamDefinition(name = "successor", path = "ResearchDefinition.relatedArtifact.where(type='successor').resource", description = "What resource is being referenced", type = "reference") public static final String SP_SUCCESSOR = "successor"; /** * Fluent Client search parameter constant for successor *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource
*

*/ public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam SUCCESSOR = new ca.uhn.fhir.rest.gclient.ReferenceClientParam( SP_SUCCESSOR); /** * Constant for fluent queries to be used to add include statements. Specifies * the path value of "ResearchDefinition:successor". */ public static final ca.uhn.fhir.model.api.Include INCLUDE_SUCCESSOR = new ca.uhn.fhir.model.api.Include( "ResearchDefinition:successor").toLocked(); /** * Search parameter: context-type-value *

* Description: A use context type and value assigned to the research * definition
* Type: composite
* Path:
*

*/ @SearchParamDefinition(name = "context-type-value", path = "ResearchDefinition.useContext", description = "A use context type and value assigned to the research definition", type = "composite", compositeOf = { "context-type", "context" }) public static final String SP_CONTEXT_TYPE_VALUE = "context-type-value"; /** * Fluent Client search parameter constant for context-type-value *

* Description: A use context type and value assigned to the research * definition
* Type: composite
* Path:
*

*/ public static final ca.uhn.fhir.rest.gclient.CompositeClientParam CONTEXT_TYPE_VALUE = new ca.uhn.fhir.rest.gclient.CompositeClientParam( SP_CONTEXT_TYPE_VALUE); /** * Search parameter: jurisdiction *

* Description: Intended jurisdiction for the research definition
* Type: token
* Path: ResearchDefinition.jurisdiction
*

*/ @SearchParamDefinition(name = "jurisdiction", path = "ResearchDefinition.jurisdiction", description = "Intended jurisdiction for the research definition", type = "token") public static final String SP_JURISDICTION = "jurisdiction"; /** * Fluent Client search parameter constant for jurisdiction *

* Description: Intended jurisdiction for the research definition
* Type: token
* Path: ResearchDefinition.jurisdiction
*

*/ public static final ca.uhn.fhir.rest.gclient.TokenClientParam JURISDICTION = new ca.uhn.fhir.rest.gclient.TokenClientParam( SP_JURISDICTION); /** * Search parameter: description *

* Description: The description of the research definition
* Type: string
* Path: ResearchDefinition.description
*

*/ @SearchParamDefinition(name = "description", path = "ResearchDefinition.description", description = "The description of the research definition", type = "string") public static final String SP_DESCRIPTION = "description"; /** * Fluent Client search parameter constant for description *

* Description: The description of the research definition
* Type: string
* Path: ResearchDefinition.description
*

*/ public static final ca.uhn.fhir.rest.gclient.StringClientParam DESCRIPTION = new ca.uhn.fhir.rest.gclient.StringClientParam( SP_DESCRIPTION); /** * Search parameter: derived-from *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource
*

*/ @SearchParamDefinition(name = "derived-from", path = "ResearchDefinition.relatedArtifact.where(type='derived-from').resource", description = "What resource is being referenced", type = "reference") public static final String SP_DERIVED_FROM = "derived-from"; /** * Fluent Client search parameter constant for derived-from *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource
*

*/ public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam DERIVED_FROM = new ca.uhn.fhir.rest.gclient.ReferenceClientParam( SP_DERIVED_FROM); /** * Constant for fluent queries to be used to add include statements. Specifies * the path value of "ResearchDefinition:derived-from". */ public static final ca.uhn.fhir.model.api.Include INCLUDE_DERIVED_FROM = new ca.uhn.fhir.model.api.Include( "ResearchDefinition:derived-from").toLocked(); /** * Search parameter: context-type *

* Description: A type of use context assigned to the research * definition
* Type: token
* Path: ResearchDefinition.useContext.code
*

*/ @SearchParamDefinition(name = "context-type", path = "ResearchDefinition.useContext.code", description = "A type of use context assigned to the research definition", type = "token") public static final String SP_CONTEXT_TYPE = "context-type"; /** * Fluent Client search parameter constant for context-type *

* Description: A type of use context assigned to the research * definition
* Type: token
* Path: ResearchDefinition.useContext.code
*

*/ public static final ca.uhn.fhir.rest.gclient.TokenClientParam CONTEXT_TYPE = new ca.uhn.fhir.rest.gclient.TokenClientParam( SP_CONTEXT_TYPE); /** * Search parameter: predecessor *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource
*

*/ @SearchParamDefinition(name = "predecessor", path = "ResearchDefinition.relatedArtifact.where(type='predecessor').resource", description = "What resource is being referenced", type = "reference") public static final String SP_PREDECESSOR = "predecessor"; /** * Fluent Client search parameter constant for predecessor *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource
*

*/ public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam PREDECESSOR = new ca.uhn.fhir.rest.gclient.ReferenceClientParam( SP_PREDECESSOR); /** * Constant for fluent queries to be used to add include statements. Specifies * the path value of "ResearchDefinition:predecessor". */ public static final ca.uhn.fhir.model.api.Include INCLUDE_PREDECESSOR = new ca.uhn.fhir.model.api.Include( "ResearchDefinition:predecessor").toLocked(); /** * Search parameter: title *

* Description: The human-friendly name of the research definition
* Type: string
* Path: ResearchDefinition.title
*

*/ @SearchParamDefinition(name = "title", path = "ResearchDefinition.title", description = "The human-friendly name of the research definition", type = "string") public static final String SP_TITLE = "title"; /** * Fluent Client search parameter constant for title *

* Description: The human-friendly name of the research definition
* Type: string
* Path: ResearchDefinition.title
*

*/ public static final ca.uhn.fhir.rest.gclient.StringClientParam TITLE = new ca.uhn.fhir.rest.gclient.StringClientParam( SP_TITLE); /** * Search parameter: composed-of *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource
*

*/ @SearchParamDefinition(name = "composed-of", path = "ResearchDefinition.relatedArtifact.where(type='composed-of').resource", description = "What resource is being referenced", type = "reference") public static final String SP_COMPOSED_OF = "composed-of"; /** * Fluent Client search parameter constant for composed-of *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource
*

*/ public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam COMPOSED_OF = new ca.uhn.fhir.rest.gclient.ReferenceClientParam( SP_COMPOSED_OF); /** * Constant for fluent queries to be used to add include statements. Specifies * the path value of "ResearchDefinition:composed-of". */ public static final ca.uhn.fhir.model.api.Include INCLUDE_COMPOSED_OF = new ca.uhn.fhir.model.api.Include( "ResearchDefinition:composed-of").toLocked(); /** * Search parameter: version *

* Description: The business version of the research definition
* Type: token
* Path: ResearchDefinition.version
*

*/ @SearchParamDefinition(name = "version", path = "ResearchDefinition.version", description = "The business version of the research definition", type = "token") public static final String SP_VERSION = "version"; /** * Fluent Client search parameter constant for version *

* Description: The business version of the research definition
* Type: token
* Path: ResearchDefinition.version
*

*/ public static final ca.uhn.fhir.rest.gclient.TokenClientParam VERSION = new ca.uhn.fhir.rest.gclient.TokenClientParam( SP_VERSION); /** * Search parameter: url *

* Description: The uri that identifies the research definition
* Type: uri
* Path: ResearchDefinition.url
*

*/ @SearchParamDefinition(name = "url", path = "ResearchDefinition.url", description = "The uri that identifies the research definition", type = "uri") public static final String SP_URL = "url"; /** * Fluent Client search parameter constant for url *

* Description: The uri that identifies the research definition
* Type: uri
* Path: ResearchDefinition.url
*

*/ public static final ca.uhn.fhir.rest.gclient.UriClientParam URL = new ca.uhn.fhir.rest.gclient.UriClientParam(SP_URL); /** * Search parameter: context-quantity *

* Description: A quantity- or range-valued use context assigned to the * research definition
* Type: quantity
* Path: ResearchDefinition.useContext.valueQuantity, * ResearchDefinition.useContext.valueRange
*

*/ @SearchParamDefinition(name = "context-quantity", path = "(ResearchDefinition.useContext.value as Quantity) | (ResearchDefinition.useContext.value as Range)", description = "A quantity- or range-valued use context assigned to the research definition", type = "quantity") public static final String SP_CONTEXT_QUANTITY = "context-quantity"; /** * Fluent Client search parameter constant for context-quantity *

* Description: A quantity- or range-valued use context assigned to the * research definition
* Type: quantity
* Path: ResearchDefinition.useContext.valueQuantity, * ResearchDefinition.useContext.valueRange
*

*/ public static final ca.uhn.fhir.rest.gclient.QuantityClientParam CONTEXT_QUANTITY = new ca.uhn.fhir.rest.gclient.QuantityClientParam( SP_CONTEXT_QUANTITY); /** * Search parameter: effective *

* Description: The time during which the research definition is intended to * be in use
* Type: date
* Path: ResearchDefinition.effectivePeriod
*

*/ @SearchParamDefinition(name = "effective", path = "ResearchDefinition.effectivePeriod", description = "The time during which the research definition is intended to be in use", type = "date") public static final String SP_EFFECTIVE = "effective"; /** * Fluent Client search parameter constant for effective *

* Description: The time during which the research definition is intended to * be in use
* Type: date
* Path: ResearchDefinition.effectivePeriod
*

*/ public static final ca.uhn.fhir.rest.gclient.DateClientParam EFFECTIVE = new ca.uhn.fhir.rest.gclient.DateClientParam( SP_EFFECTIVE); /** * Search parameter: depends-on *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource, * ResearchDefinition.library
*

*/ @SearchParamDefinition(name = "depends-on", path = "ResearchDefinition.relatedArtifact.where(type='depends-on').resource | ResearchDefinition.library", description = "What resource is being referenced", type = "reference") public static final String SP_DEPENDS_ON = "depends-on"; /** * Fluent Client search parameter constant for depends-on *

* Description: What resource is being referenced
* Type: reference
* Path: ResearchDefinition.relatedArtifact.resource, * ResearchDefinition.library
*

*/ public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam DEPENDS_ON = new ca.uhn.fhir.rest.gclient.ReferenceClientParam( SP_DEPENDS_ON); /** * Constant for fluent queries to be used to add include statements. Specifies * the path value of "ResearchDefinition:depends-on". */ public static final ca.uhn.fhir.model.api.Include INCLUDE_DEPENDS_ON = new ca.uhn.fhir.model.api.Include( "ResearchDefinition:depends-on").toLocked(); /** * Search parameter: name *

* Description: Computationally friendly name of the research * definition
* Type: string
* Path: ResearchDefinition.name
*

*/ @SearchParamDefinition(name = "name", path = "ResearchDefinition.name", description = "Computationally friendly name of the research definition", type = "string") public static final String SP_NAME = "name"; /** * Fluent Client search parameter constant for name *

* Description: Computationally friendly name of the research * definition
* Type: string
* Path: ResearchDefinition.name
*

*/ public static final ca.uhn.fhir.rest.gclient.StringClientParam NAME = new ca.uhn.fhir.rest.gclient.StringClientParam( SP_NAME); /** * Search parameter: context *

* Description: A use context assigned to the research definition
* Type: token
* Path: ResearchDefinition.useContext.valueCodeableConcept
*

*/ @SearchParamDefinition(name = "context", path = "(ResearchDefinition.useContext.value as CodeableConcept)", description = "A use context assigned to the research definition", type = "token") public static final String SP_CONTEXT = "context"; /** * Fluent Client search parameter constant for context *

* Description: A use context assigned to the research definition
* Type: token
* Path: ResearchDefinition.useContext.valueCodeableConcept
*

*/ public static final ca.uhn.fhir.rest.gclient.TokenClientParam CONTEXT = new ca.uhn.fhir.rest.gclient.TokenClientParam( SP_CONTEXT); /** * Search parameter: publisher *

* Description: Name of the publisher of the research definition
* Type: string
* Path: ResearchDefinition.publisher
*

*/ @SearchParamDefinition(name = "publisher", path = "ResearchDefinition.publisher", description = "Name of the publisher of the research definition", type = "string") public static final String SP_PUBLISHER = "publisher"; /** * Fluent Client search parameter constant for publisher *

* Description: Name of the publisher of the research definition
* Type: string
* Path: ResearchDefinition.publisher
*

*/ public static final ca.uhn.fhir.rest.gclient.StringClientParam PUBLISHER = new ca.uhn.fhir.rest.gclient.StringClientParam( SP_PUBLISHER); /** * Search parameter: topic *

* Description: Topics associated with the ResearchDefinition
* Type: token
* Path: ResearchDefinition.topic
*

*/ @SearchParamDefinition(name = "topic", path = "ResearchDefinition.topic", description = "Topics associated with the ResearchDefinition", type = "token") public static final String SP_TOPIC = "topic"; /** * Fluent Client search parameter constant for topic *

* Description: Topics associated with the ResearchDefinition
* Type: token
* Path: ResearchDefinition.topic
*

*/ public static final ca.uhn.fhir.rest.gclient.TokenClientParam TOPIC = new ca.uhn.fhir.rest.gclient.TokenClientParam( SP_TOPIC); /** * Search parameter: context-type-quantity *

* Description: A use context type and quantity- or range-based value * assigned to the research definition
* Type: composite
* Path:
*

*/ @SearchParamDefinition(name = "context-type-quantity", path = "ResearchDefinition.useContext", description = "A use context type and quantity- or range-based value assigned to the research definition", type = "composite", compositeOf = { "context-type", "context-quantity" }) public static final String SP_CONTEXT_TYPE_QUANTITY = "context-type-quantity"; /** * Fluent Client search parameter constant for * context-type-quantity *

* Description: A use context type and quantity- or range-based value * assigned to the research definition
* Type: composite
* Path:
*

*/ public static final ca.uhn.fhir.rest.gclient.CompositeClientParam CONTEXT_TYPE_QUANTITY = new ca.uhn.fhir.rest.gclient.CompositeClientParam( SP_CONTEXT_TYPE_QUANTITY); /** * Search parameter: status *

* Description: The current status of the research definition
* Type: token
* Path: ResearchDefinition.status
*

*/ @SearchParamDefinition(name = "status", path = "ResearchDefinition.status", description = "The current status of the research definition", type = "token") public static final String SP_STATUS = "status"; /** * Fluent Client search parameter constant for status *

* Description: The current status of the research definition
* Type: token
* Path: ResearchDefinition.status
*

*/ public static final ca.uhn.fhir.rest.gclient.TokenClientParam STATUS = new ca.uhn.fhir.rest.gclient.TokenClientParam( SP_STATUS); }




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