import { ExgMapMarkerDirective } from '../../exg-map-marker/exg-map-marker.directive';
import { ExgMapGoogleAPIWrapper } from '../exg-map-google-api-wrapper.service';
import { ExgMapMarkerManagerService } from './exg-map-marker-manager.service';
import { NgZone } from '@angular/core';
import { MarkerClustererOptions } from '@googlemaps/markerclustererplus';
import MarkerClusterer from '@googlemaps/markerclustererplus';
import { Observable } from 'rxjs';
import { ExgMapMarkerClusterDirective } from '../../exg-map-marker-cluster/exg-map-marker-cluster.directive';
export declare class ExgMapMarkerClusterManagerService extends ExgMapMarkerManagerService {
    protected _mapsWrapper: ExgMapGoogleAPIWrapper;
    protected _zone: NgZone;
    private _clustererInstance;
    private _resolver;
    constructor(_mapsWrapper: ExgMapGoogleAPIWrapper, _zone: NgZone);
    init(options: MarkerClustererOptions): void;
    getClustererInstance(): Promise<MarkerClusterer>;
    addMarker(markerDirective: ExgMapMarkerDirective): void;
    deleteMarker(marker: ExgMapMarkerDirective): Promise<void>;
    clearMarkers(): Promise<void>;
    setGridSize(c: ExgMapMarkerClusterDirective): void;
    setMaxZoom(c: ExgMapMarkerClusterDirective): void;
    setStyles(c: ExgMapMarkerClusterDirective): void;
    setZoomOnClick(c: ExgMapMarkerClusterDirective): void;
    setAverageCenter(c: ExgMapMarkerClusterDirective): void;
    setImagePath(c: ExgMapMarkerClusterDirective): void;
    setMinimumClusterSize(c: ExgMapMarkerClusterDirective): void;
    setImageExtension(c: ExgMapMarkerClusterDirective): void;
    createClusterEventObservable<T>(eventName: string): Observable<T>;
    setCalculator(c: ExgMapMarkerClusterDirective): void;
    setClusterClass(c: ExgMapMarkerClusterDirective): Promise<void>;
    setEnableRetinaIcons(c: ExgMapMarkerClusterDirective): Promise<void>;
    setIgnoreHidden(c: ExgMapMarkerClusterDirective): Promise<void>;
    setImageSizes(c: ExgMapMarkerClusterDirective): Promise<void>;
    setTitle(c: ExgMapMarkerClusterDirective): Promise<void>;
}
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