/**
 * A Deferred is like an inside-out Promise. Instead of passing a
 * function to the constructor that receives resolve and reject callbacks,
 * a deferred has the resolve and reject callbacks and their associated
 * promise as public properties on the instance. A Deferred is not a
 * then-able; you must still use the promise for then-related purposes.
 */
export declare class Deferred<T = void> {
    #private;
    get promise(): Promise<T>;
    get resolve(): (value?: T | PromiseLike<T> | undefined) => void;
    get reject(): (reason?: any) => void;
    constructor();
}