@types/watchpack

constructor(options: Watchpack.WatchOptions);

aggregatedChanges: Set<string>;

aggregatedRemovals: Set<string>;

aggregateTimeout: NodeJS.Timer;

dirWatchers: Watcher[];

fileWatchers: Watcher[];

mtimes: { [path: string]: number };

options: Watchpack.WatchOptions;

paused: boolean;

watcherOptions: Watchpack.WatcherOptions;

close: () => void;

collectTimeInfoEntries: (
    fileInfoEntries: Map<string, Entry>,
    directoryInfoEntries: Map<string, Entry>
) => void;

getAggregated: () => { changes: Set<string>; removals: Set<string> };

getTimeInfoEntries: () => Map<string, Entry>;

getTimes: () => { [path: string]: number };

on: {
    (
        eventName: 'change',
        listener: (
            filePath: string,
            modifiedTime: number,
            explanation: string
        ) => void
    ): this;
    (
        eventName: 'remove',
        listener: (filePath: string, explanation: string) => void
    ): this;
    (
        eventName: 'aggregated',
        listener: (changes: Set<string>, removals: Set<string>) => void
    ): this;
};

pause: () => void;

watch: (options: {
    files?: Iterable<string>;
    directories?: Iterable<string>;
    missing?: Iterable<string>;
    startTime?: number;
}) => void;

followSymlinks?: boolean;

ignored?: string[] | string | RegExp | ((path: string) => boolean) | undefined;

poll?: boolean | number | undefined;

aggregateTimeout?: number | undefined;