/** No-op semantic model definition. */
import { Model } from '../model';
import { Triple } from '../types';
declare class NoOpModel extends Model {
    /** Return *triple* (does not deinvert). */
    deinvert(triple: Triple): Triple;
}
/**
 *  A no-operation model that mostly leaves things alone.
 *
 *  This model is like the default `Model` except
 *  that `NoOpModel.deinvert` always returns the original
 *  triple, even if it was inverted.
 */
export declare const noopModel: NoOpModel;
export default noopModel;