/**
 * IndexedDB Cache Manager Class
 */
export declare class TileCacheDB {
    private dbPromise;
    /**
     * Open/Get database connection
     */
    private openDB;
    /**
     * Get data from cache
     * @param url Cache key (processedUrl)
     */
    get(url: string): Promise<ArrayBuffer | null>;
    /**
     * Store data to cache
     * @param url Cache key (processedUrl)
     * @param data Data to cache
     */
    set(url: string, data: ArrayBuffer): Promise<void>;
    /**
     * Clear cache
     */
    clear(): Promise<void>;
}
export declare const tileCache: TileCacheDB;
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