code: @Override
  	public EEnum getIfcCrewResourceTypeEnum() {
  		if (ifcCrewResourceTypeEnumEEnum == null) {
  			ifcCrewResourceTypeEnumEEnum = (EEnum) EPackage.Registry.INSTANCE.getEPackage(Ifc4Package.eNS_URI)
  					.getEClassifiers().get(952);
  		}
  		return ifcCrewResourceTypeEnumEEnum;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated