code: @Override
  	public EClass getIfcClassificationReferenceSelect() {
  		if (ifcClassificationReferenceSelectEClass == null) {
  			ifcClassificationReferenceSelectEClass = (EClass) EPackage.Registry.INSTANCE
  					.getEPackage(Ifc4Package.eNS_URI).getEClassifiers().get(1120);
  		}
  		return ifcClassificationReferenceSelectEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated