/**
 * Copyright (c) 2017-present, RobotlegsJS. All Rights Reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import { ISlot } from "./ISlot";
import { OnceSignal } from "./OnceSignal";
export declare class Promise extends OnceSignal {
    private _isDispatched;
    private _valueObjects;
    /** @inheritDoc */
    addOnce(listener: Function): ISlot;
    /**
     * @inheritDoc
     * @throws flash.errors.IllegalOperationError <code>IllegalOperationError</code>: You cannot dispatch() a Promise more than once
     */
    dispatch(...valueObjects: any[]): void;
}