import { EventEmitter } from 'eventemitter3';
/**
 * Filestack token that allow pause, resume or cancel given upload
 *
 * @export
 * @class FsToken
 * @extends {EventEmitter}
 */
export declare class FsCancelToken extends EventEmitter {
    /**
     * Cancel request action
     *
     * @param {(string | Error)} [reason]
     * @memberof Token
     */
    cancel(reason?: string | Error): void;
}