import { FetchableTile } from './FetchableTile.js';
import { CacheableTile } from './CacheableTile.js';
import { FetchFn } from '@allmaps/types';

/**
 * Class for tiles that can be cached, and whose data can be processed to its imageBitmap using a WebWorker.
 */
export declare class CacheableWorkerImageBitmapTile extends CacheableTile<ImageBitmap> {
    #private;
    constructor(fetchableTile: FetchableTile, worker: Worker, fetchFn?: FetchFn);
    /**
     * Fetch the tile and create its ImageBitmap using a WebWorker.
     *
     * @returns
     */
    fetch(): Promise<ImageBitmap | undefined>;
    applySprites(): Promise<void>;
    spritesDataToCachedTiles(): never[];
    static createFactory(worker: Worker): (fetchableTile: FetchableTile, fetchFn?: FetchFn) => CacheableWorkerImageBitmapTile;
}
/**
 * Class for tiles that is cached, and whose data has been processed to an ImageBitmap object using a WebWorker.
 */
export declare class CachedWorkerImageBitmapTile extends CacheableWorkerImageBitmapTile {
    data: ImageBitmap;
}