code: @Override
  	public EClass getIfcSpatialStructureElement() {
  		if (ifcSpatialStructureElementEClass == null) {
  			ifcSpatialStructureElementEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc4Package.eNS_URI)
  					.getEClassifiers().get(616);
  		}
  		return ifcSpatialStructureElementEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated