import { BehaviorSubject } from 'rxjs';
import { NgZone } from '@angular/core';
import { EventDataTransformService } from './transform/event-data-transform.service';
import { GeometryTransformService } from './transform/geometry-transform.service';
/**
 * Provides tools for low-level framework actions and access to other injectable services.
 */
export declare class GoogleMapsApiService {
    private zone;
    eventsData: EventDataTransformService;
    geometry: GeometryTransformService;
    private apiReadyPromise;
    private mapsApiReady;
    /**
     * Creates an instance of GoogleMapsApiService.
     
     * @param {EventDataTransformService} eventsData Facilitating tools for working with event data objects. Can also be injected directly into any component/service.
     * @param {GeometryTransformService} geometry Facilitating tools for working with and converting geometry objects. Can also be injected directly into any component/service.
     */
    constructor(zone: NgZone, eventsData: EventDataTransformService, geometry: GeometryTransformService, apiReadyPromise: BehaviorSubject<Promise<void>>);
    /**
     * A promise which resolves when Google Maps API has loaded and is ready for use.
     * This is mostly designed for internal works. See the `*bsSafe` directive on how to ensure that map components load when api is ready.
     *
     * @readonly
     * @type {Promise<void>}
     */
    get whenReady(): Promise<void>;
    /**
     * Runs the specified function outside angular's zone to avoid unnecessary change detection runs.
     *
     * @template TResult The type of result the function returns.
     * @param {() => TResult} fn The function to run outside angular.
     * @returns {TResult} The result which is returned by the function after running outside angular.
     */
    runOutsideAngular<TResult>(fn: () => TResult): TResult;
    /**
     * Brings the execution of the specified function into angular's zone, allowing change detection runs.
     *
     * @template TResult The type of result the function returns.
     * @param {() => TResult} fn The function to run inside angular.
     * @returns {TResult} The result which is returned by the function after running inside angular.
     */
    runInsideAngular<TResult>(fn: () => TResult): TResult;
    /**
     * Waits for Google Maps API to load, then runs the specified function outside angular's zone to avoid unnecessary change detection runs.
     *
     * @template TResult The type of result the function returns.
     * @param {() => TResult} fn The function to run outside angular.
     * @returns {TResult} The result which is returned by the function after running outside angular.
     */
    runOutsideAngularWhenReady<TResult>(fn: () => TResult): Promise<TResult>;
    /**
     * Waits for Google Maps API to load, brings the execution of the specified function into angular's zone, allowing change detection runs.
     *
     * @template TResult The type of result the function returns.
     * @param {() => TResult} fn The function to run inside angular.
     * @returns {TResult} The result which is returned by the function after running inside angular.
     */
    runInsideAngularWhenReady<TResult>(fn: () => TResult): Promise<TResult>;
}