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import { EventEmitter } from 'events';
import { EventNames, EventListenerParameters, AbortSignal } from './types.js';
export interface OnceOptions {
    signal?: AbortSignal;
}
export default function once<Emitter extends EventEmitter, Event extends EventNames<Emitter>>(emitter: Emitter, name: Event, { signal }?: OnceOptions): Promise<EventListenerParameters<Emitter, Event>>;