import { ISubscription } from "./ISubscription";
/**
 * Subscription implementation for events with promises.
 *
 * @export
 * @class PromiseSubscription
 * @implements {ISubscription<TEventHandler>}
 * @template TEventHandler The type of event handler.
 */
export declare class PromiseSubscription<TEventHandler> implements ISubscription<TEventHandler> {
    handler: TEventHandler;
    isOnce: boolean;
    /**
     * Indicates if the subscription has been executed before.
     *
     * @memberOf PromiseSubscription
     */
    isExecuted: boolean;
    /**
     * Creates an instance of PromiseSubscription.
     * @param {TEventHandler} handler The handler for the subscription.
     * @param {boolean} isOnce Indicates if the handler should only be executed once.
     *
     * @memberOf PromiseSubscription
     */
    constructor(handler: TEventHandler, isOnce: boolean);
    /**
     * Executes the handler.
     *
     * @param {boolean} executeAsync True if the even should be executed async.
     * @param {*} scope The scope the scope of the event.
     * @param {IArguments} args The arguments for the event.
     *
     * @memberOf PromiseSubscription
     */
    execute(executeAsync: boolean, scope: any, args: IArguments): Promise<void>;
}