import { ParseBinding } from './ParseBinding';
/**
 * two way binding.
 *
 * @export
 * @class TwoWayBinding
 * @extends {ParseBinding<T>}
 * @template T
 */
export declare class TwoWayBinding<T> extends ParseBinding<T> {
    bind(target: any, initVal?: any): T;
    static ρAnn(): any;
}