/**
 * @license
 * Copyright Datorama. All Rights Reserved.
 *
 * Use of this source code is governed by an Apache License 2.0 license that can be
 * found in the LICENSE file at https://github.com/datorama/client-core/blob/master/LICENSE
 */
import { Observable } from 'rxjs';
/**
 * Run a function inside web worker
 *
 * ```ts
 * http.get('url').pipe(
 *  mapWorker((response) => {
 *    // do some stuff
 *    return result;
 *  }).subcribe(console.log);
 * )
 *
 * ```
 * @param fn - the function to execute inside the worker
 */
export declare const workerMap: (fn: Function) => <T>(source: Observable<T>) => Observable<unknown>;