import { EventEmitter, NgZone } from "@angular/core";
import { IPromiseService } from "../common-types";
import * as i0 from "@angular/core";
export declare class PromiseService implements IPromiseService {
    readonly zone: NgZone;
    get count(): number;
    get onChanged(): EventEmitter<number>;
    protected promiseCount: number;
    protected readonly promiseChanged: EventEmitter<number>;
    constructor(zone: NgZone);
    create<T>(executor: (resolve: (value?: T | PromiseLike<T>) => void, reject: (reason?: any) => void) => void): Promise<T>;
    all(promises: Promise<any>[]): Promise<any>;
    resolve<T>(value: T | PromiseLike<T>): Promise<T>;
    reject<T>(value: T | PromiseLike<T>): Promise<T>;
    protected promiseFinished(): void;
    protected add<T>(promise: Promise<T>): Promise<T>;
    static ɵfac: i0.ɵɵFactoryDeclaration<PromiseService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PromiseService>;
}