/**
 * 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 { IOnceSignal } from "./IOnceSignal";
import { ISlot } from "./ISlot";
/**
 * The Slot class represents a signal slot.
 *
 * @author Robert Penner
 * @author Joa Ebert
 */
export declare class Slot implements ISlot {
    protected _signal: IOnceSignal;
    protected _enabled: boolean;
    protected _listener: Function;
    protected _once: boolean;
    protected _priority: number;
    protected _params: any[];
    /**
     * Creates and returns a new Slot object.
     *
     * @param listener The listener associated with the slot.
     * @param signal The signal associated with the slot.
     * @param once Whether or not the listener should be executed only once.
     * @param priority The priority of the slot.
     *
     * @throws ArgumentError <code>ArgumentError</code>: Given listener is <code>null</code>.
     * @throws Error <code>Error</code>: Internal signal reference has not been set yet.
     */
    constructor(listener: Function, signal: IOnceSignal, once?: boolean, priority?: number);
    /**
     * @inheritDoc
     */
    execute0(): void;
    /**
     * @inheritDoc
     */
    execute1(value: any): void;
    /**
     * @inheritDoc
     */
    execute(valueObjects: any[]): void;
    /**
     * @inheritDoc
     * @throws ArgumentError <code>ArgumentError</code>: Given listener is <code>null</code>. Did you want to set enabled to false instead?
     * @throws Error <code>Error</code>: Internal signal reference has not been set yet.
     */
    get listener(): Function;
    set listener(value: Function);
    /**
     * @inheritDoc
     */
    get once(): boolean;
    /**
     * @inheritDoc
     */
    get priority(): number;
    /**
     * Creates and returns the string representation of the current object.
     *
     * @return The string representation of the current object.
     */
    toString(): string;
    /**
     * @inheritDoc
     */
    get enabled(): boolean;
    set enabled(value: boolean);
    /**
     * @inheritDoc
     */
    get params(): any[];
    set params(value: any[]);
    /**
     * @inheritDoc
     */
    remove(): void;
    protected verifyListener(listener: Function): void;
}