code: public EClass getIfcRelAssociatesClassification() {
  		if (ifcRelAssociatesClassificationEClass == null) {
  			ifcRelAssociatesClassificationEClass = (EClass) EPackage.Registry.INSTANCE
  					.getEPackage(Ifc2x3tc1Package.eNS_URI).getEClassifiers().get(450);
  		}
  		return ifcRelAssociatesClassificationEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated