code: @Override
  	public EEnum getIfcWindowStyleConstructionEnum() {
  		if (ifcWindowStyleConstructionEnumEEnum == null) {
  			ifcWindowStyleConstructionEnumEEnum = (EEnum) EPackage.Registry.INSTANCE.getEPackage(Ifc4Package.eNS_URI)
  					.getEClassifiers().get(1104);
  		}
  		return ifcWindowStyleConstructionEnumEEnum;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated