/// <reference types="node" />
import { SimpleArrayRegistry } from "@gongt/ts-stl-library/pattern/simple-array-registry";
import { FSWatcher, WatchOptions } from "chokidar";
import { Stats } from 'fs';
export declare type Fn = (path: string) => void;
export declare type FileEvents = 'add' | 'change' | 'unlink' | 'addDir' | 'unlinkDir' | 'error' | 'ready';
export declare type EventRegistry = Map<FileEvents, Fn[]>;
export declare class FileWatcher {
    protected pathList: SimpleArrayRegistry;
    protected ignoreList: SimpleArrayRegistry<RegExp>;
    protected opts: WatchOptions;
    protected originalIgnore: boolean;
    protected eventHandlers: EventRegistry;
    protected watcher: FSWatcher;
    private static FSWatcher;
    constructor(opts: WatchOptions);
    protected handleIgnore(path: string, stat?: Stats): boolean;
    protected restart(): void;
    isWatching(): boolean;
    startWatching(): void;
    protected updateOptions(): void;
    stopWatching(): void;
    protected _stopWatching(): void;
    /** @deprecated */
    onChange(d: Fn): void;
    removeEventListener(event: FileEvents, fn: Fn): void;
    removeAllListeners(event: FileEvents): void;
    addEventListener(event: FileEvents, fn: Fn): void;
    private realAddListener(event, fn);
    watch(...paths: string[]): void;
    unwatch(...paths: string[]): void;
    ignore(...paths: RegExp[]): void;
    ignoreGlob(...globs: string[]): void;
    unignore(...paths: RegExp[]): void;
    unignoreGlob(...globs: string[]): void;
}