import * as i0 from "@angular/core";
export declare class SlickSleepService {
    static sleep(timeout?: number): Promise<void>;
    static ɵfac: i0.ɵɵFactoryDeclaration<SlickSleepService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SlickSleepService>;
}