import GirafeSingleton from '../../base/GirafeSingleton.js';
import LayerWmts from '../../models/layers/layerwmts.js';
import { Extent } from 'ol/extent.js';
declare class OfflineManager extends GirafeSingleton {
    private serviceWorker;
    private readonly indexedDbHelper;
    private get map();
    private get state();
    private database;
    private totalLength;
    private counter;
    private progressCallback?;
    private storeVersion;
    private dbCacheName;
    private readonly tilesStoreName;
    private readonly bboxStoreName;
    private readonly vectorLayer;
    initializeSingleton(): void;
    initializeOfflineState(isOffline: boolean): void;
    private registerEvents;
    /** Exports all the WMTS tiles for the layers in parameter and store them to local cache */
    exportWMTSTiles(bbox: Extent, wmtsLayers: LayerWmts[], progressCallback?: CallableFunction): Promise<void>;
    upgradeIndexedDb(database: IDBDatabase): void;
    /** The offline manager works with a ServiceWorker in charge of intercepting
     * the fetch requests and read the data from the local cache if the application
     * is offline. This method defines the servicework object to use.
     * Without this, the offline mode won't work.
     */
    setServiceWorker(sw: ServiceWorker | null, storeVersion: number, dbCacheName: string): Promise<void>;
    switchOffline(): void;
    private getAllTileUrls;
    private getTileUrlsForWmtsLayer;
    private fetchAndSaveTiles;
    private doWork;
    getTotalSizeMB(): Promise<number>;
    private clearStore;
    clearTileStore(): Promise<void>;
    clearBBoxStore(): Promise<void>;
    private saveBoundingBox;
    displayBoundBoxes(): Promise<void>;
}
export default OfflineManager;