code: public EClass getIfcPresentationLayerWithStyle() {
  		if (ifcPresentationLayerWithStyleEClass == null) {
  			ifcPresentationLayerWithStyleEClass = (EClass) EPackage.Registry.INSTANCE
  					.getEPackage(Ifc2x3tc1Package.eNS_URI).getEClassifiers().get(381);
  		}
  		return ifcPresentationLayerWithStyleEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated