/// <reference types="googlemaps" />
import { Observable } from 'rxjs';
import { ElementRef } from '@angular/core';
import { GoogleMapsComponentApiService, GoogleMapsComponentBase, IGoogleMapsEventData } from '@bespunky/angular-google-maps/core';
import { IGoogleMapsInfoWindow } from '@bespunky/angular-google-maps/overlays';
import { DirectionsRequestConfig } from '../abstraction/types/directions-request-config.type';
import { DirectionsPlace } from '../abstraction/types/directions.type';
import { GoogleMapsDirectionsService } from '../services/google-maps-directions.service';
import { GoogleMapsDirections } from '../google-maps-directions';
/**
 * Renders directions for the specified waypoints on the map.
 *
 * Must be placed inside a `<bs-google-map/>` element.
 *
 * @export
 * @class GoogleMapsDirectionsDirective
 * @extends {GoogleMapsComponentBase<GoogleMapsDirections>}
 */
export declare class GoogleMapsDirectionsDirective extends GoogleMapsComponentBase<GoogleMapsDirections> {
    private directions;
    panel: ElementRef | HTMLElement;
    routeIndex: number;
    options: google.maps.DirectionsRendererOptions;
    draggable: boolean;
    hideRouteList: boolean;
    infoWindow: GoogleMapsComponentBase<IGoogleMapsInfoWindow> | IGoogleMapsInfoWindow;
    markerOptions: google.maps.MarkerOptions;
    polylineOptions: google.maps.PolylineOptions;
    preserveViewport: boolean;
    suppressBicyclingLayer: boolean;
    suppressInfoWindows: boolean;
    suppressMarkers: boolean;
    suppressPolylines: boolean;
    /** This event is fired when the rendered directions change, either when a new DirectionsResult is set or when the user finishes dragging a change to the directions path. */
    directionsChanged: Observable<IGoogleMapsEventData>;
    private requestConfig;
    private requestFrom;
    private requestTo;
    private requestThrough;
    constructor(directions: GoogleMapsDirectionsService, api: GoogleMapsComponentApiService, wrapper: GoogleMapsDirections, element: ElementRef);
    private initDirectionsFeeds;
    /** Sets the routing configuration to use for each directions request. */
    set config(config: DirectionsRequestConfig);
    /** Sets the origin of the route. Must be used along with `[to]`. If this is provided, `[through]` must not be provided. */
    set from(place: DirectionsPlace);
    /** Sets the destination of the route. Must be used along with `[from]`. If this is provided, `[through]` must not be provided. */
    set to(place: DirectionsPlace);
    /** Sets the places the route should go through. This is a more flexible alternative to `from` and `to`. If this is provided, neither `[from]` nor `[to]` should be provided. */
    set through(places: DirectionsPlace[]);
}