code: @Override
  	public EClass getIfcStructuralLoadSingleDisplacementDistortion() {
  		if (ifcStructuralLoadSingleDisplacementDistortionEClass == null) {
  			ifcStructuralLoadSingleDisplacementDistortionEClass = (EClass) EPackage.Registry.INSTANCE
  					.getEPackage(Ifc4Package.eNS_URI).getEClassifiers().get(648);
  		}
  		return ifcStructuralLoadSingleDisplacementDistortionEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated