import { WindowRef } from '@bespunky/angular-zen/core';
import { GoogleMapsApiLoader } from '@bespunky/angular-google-maps/_internal';
/**
 * Acts as an API loader but simply resolves or rejects loading immediately depending on the existance of
 * the `window.google.maps` namespace.
 *
 * @export
 * @class NoOpGoogleMapsApiLoader
 * @extends {GoogleMapsApiLoader}
 */
export declare class NoOpGoogleMapsApiLoader extends GoogleMapsApiLoader {
    private windowRef;
    constructor(windowRef: WindowRef);
    /**
     * Checks whether `window.google.maps` has loaded already and resolves; rejects otherwise.
     *
     * @returns {Promise<any>}
     */
    load(): Promise<any>;
}