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                                                                                                                                                                                     /// <reference types="node" />
import { EventEmitter } from 'events';
declare type Origin = EventEmitter;
declare type Event = string | symbol;
declare type Fn = (...args: any[]) => void;
interface Unhandler {
    once: (origin: Origin, event: Event, fn: Fn) => void;
    unhandleAll: () => void;
}
declare const _default: () => Unhandler;
export default _default;