/// <reference types="node" />
import type { EventEmitter } from 'events';
export declare interface ISourceWatchEventEmitter extends EventEmitter {
    emit: ((event: 'update') => boolean) & ((event: 'delete') => boolean);
    on: ((event: 'update', listener: () => void) => this) & ((event: 'delete', listener: () => void) => this);
}