/// url = 'http://hl7.org/fhir/StructureMap/RequestGroup4to3'
/// name = 'RequestGroup4to3'
/// title = 'RequestGroup Transforms: R4 to R3'
/// status = 'active'

uses "http://hl7.org/fhir/4.0/RequestGroup" alias RequestGroup as source
uses "http://hl7.org/fhir/3.0/RequestGroup" alias RequestGroupR3 as target

imports "http://hl7.org/fhir/StructureMap/*4to3"

group RequestGroup(source src : RequestGroupR3, target tgt : RequestGroup) extends DomainResource <<type+>> {
  src.identifier -> tgt.identifier;
  src.instantiatesCanonical -> tgt.definition;
  src.basedOn -> tgt.basedOn;
  src.replaces -> tgt.replaces;
  src.groupIdentifier -> tgt.groupIdentifier;
  src.status -> tgt.status;
  src.intent -> tgt.intent;
  src.priority -> tgt.priority;
  src.subject -> tgt.subject;
  src.encounter -> tgt.context;
  src.authoredOn -> tgt.authoredOn;
  src.author -> tgt.author;
  src.reasonCode as vs -> tgt.reason = create('CodeableConcept') as vt then CodeableConcept(vs, vt);
  src.reasonReference as vs -> tgt.reason = create('Reference') as vt then Reference(vs, vt);
  src.note -> tgt.note;
  src.action as vs -> tgt.action as vt then action(vs, vt);
}

group action(source src, target tgt) extends BackboneElement {
  src.prefix -> tgt.label;
  src.title -> tgt.title;
  src.description -> tgt.description;
  src.textEquivalent -> tgt.textEquivalent;
  src.code -> tgt.code;
  src.documentation -> tgt.documentation;
  src.condition as s -> tgt.condition as t then condition(s, t);
  src.relatedAction as s -> tgt.relatedAction as t then relatedAction(s, t);
  src.timing : dateTime as vs -> tgt.timing = create('dateTime') as vt then dateTime(vs, vt);
  src.timing : Period as vs -> tgt.timing = create('Period') as vt then Period(vs, vt);
  src.timing : Duration as vs -> tgt.timing = create('Duration') as vt then Duration(vs, vt);
  src.timing : Range as vs -> tgt.timing = create('Range') as vt then Range(vs, vt);
  src.timing : Timing as vs -> tgt.timing = create('Timing') as vt then Timing(vs, vt);
  src.participant -> tgt.participant;
  src.type -> tgt.type;
  src.groupingBehavior -> tgt.groupingBehavior;
  src.selectionBehavior -> tgt.selectionBehavior;
  src.requiredBehavior -> tgt.requiredBehavior;
  src.precheckBehavior -> tgt.precheckBehavior;
  src.cardinalityBehavior -> tgt.cardinalityBehavior;
  src.resource -> tgt.resource;
  src.action as vs -> tgt.action as vt then action(vs, vt);
}

group condition(source src, target tgt) extends BackboneElement {
  src.kind -> tgt.kind;
  src.expression as e then {
    e.description -> tgt.description;
    e.language -> tgt.language;
    e.expression -> tgt.expression;
  };
}

group relatedAction(source src, target tgt) extends BackboneElement {
  src.actionId -> tgt.actionId;
  src.relationship -> tgt.relationship;
  src.offset : Duration as vs -> tgt.offset = create('Duration') as vt then Duration(vs, vt);
  src.offset : Range as vs -> tgt.offset = create('Range') as vt then Range(vs, vt);
}