import { PolygonInfo, PolygonDrawStates } from './polygon-helpers';
import { MapStateService } from './map-state';
import * as L from 'leaflet';
/**
 * Service for managing polygon information and draw states.
 */
export declare class PolygonInformationService {
    mapStateService: MapStateService;
    private polygonInfoListeners;
    private polygonDrawStateListeners;
    polygonInformationStorage: PolygonInfo[];
    constructor(mapStateService: MapStateService);
    onPolygonInfoUpdated(callback: (info: PolygonInfo[]) => void): void;
    private emitPolygonInfoUpdated;
    onPolygonDrawStateUpdated(callback: (state: PolygonDrawStates) => void): void;
    /**
     * Updates the polygons and notifies the map state service.
     */
    updatePolygons(): void;
    saveCurrentState(): void;
    deleteTrashcan(polygon: L.LatLngLiteral[][]): void;
    deleteTrashCanOnMulti(polygon: L.LatLngLiteral[][][]): void;
    deletePolygonInformationStorage(): void;
    createPolygonInformationStorage(arrayOfFeatureGroups: L.FeatureGroup[]): void;
}
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