code: public EClass getIfcCrewResource() {
  		if (ifcCrewResourceEClass == null) {
  			ifcCrewResourceEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc2x3tc1Package.eNS_URI)
  					.getEClassifiers().get(129);
  		}
  		return ifcCrewResourceEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated