import type { TaskIdEncoded } from './types.js';
declare class TaskEvent<T = any> extends Event {
    detail: {
        status: 'success';
        result: T;
    } | {
        status: 'failure';
        reason: any;
    };
    constructor(type: TaskIdEncoded, options: EventInit & {
        detail: {
            status: 'success';
            result: T;
        } | {
            status: 'failure';
            reason: any;
        };
    });
}
export default TaskEvent;