code: @Override
  	public EClass getIfcSurfaceOfLinearExtrusion() {
  		if (ifcSurfaceOfLinearExtrusionEClass == null) {
  			ifcSurfaceOfLinearExtrusionEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc4Package.eNS_URI)
  					.getEClassifiers().get(675);
  		}
  		return ifcSurfaceOfLinearExtrusionEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated