export default class Deferred<T> {
    static resetNextId(): void;
    private static _nextId;
    private static getNextId;
    private _promise;
    private _resolve;
    private _reject;
    private _id;
    constructor();
    get promise(): Promise<T>;
    get id(): number;
    resolve: (value?: T | PromiseLike<T>) => void;
    reject: (reason?: any) => void;
}