/// <reference types="node" />
import { EventEmitter } from 'events';
import { AppConfig } from '../hooks';
export declare const appConfigChangeEventType = "appConfigChanged";
export type AppConfigChangeHandler = (config: AppConfig | undefined) => void;
export declare class AppConfigNotifier {
    private emitter;
    addListener(listener: AppConfigChangeHandler): EventEmitter;
    removeListener(listener: AppConfigChangeHandler): EventEmitter;
    emit(config: AppConfig | undefined): boolean;
}
export declare const appConfigNotifier: AppConfigNotifier;