code: @Override
  	public EClass getIfcStructuralItem() {
  		if (ifcStructuralItemEClass == null) {
  			ifcStructuralItemEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(Ifc4Package.eNS_URI)
  					.getEClassifiers().get(638);
  		}
  		return ifcStructuralItemEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated