export class GeoPackageFormatHandler extends FormatHandler {
    /**
     * @param {object} opts
     * @param {string | URL | Worker} [opts.gpkgWorker] - Worker URL, URL object, or Worker instance for GeoPackage writing
     */
    constructor(opts?: {
        gpkgWorker?: string | URL | Worker;
    });
    gpkgFileName: string;
    extension: string;
    _worker: string | URL | Worker;
    _gpkgWorkerConfig: string | URL | Worker;
    _nextWorkerMessageId: number;
    _callWorker(method: any, args: any, { onStatus }?: {}): Promise<any>;
    _write({ onProgress, onStatus }: {
        onProgress: any;
        onStatus: any;
    }): Promise<void>;
    getDownloadMap(baseName: any): Promise<{
        downloadName: string;
        blobParts: File[];
    }[]>;
}
import { FormatHandler } from './base.js';