import type { Plugin, Compiler } from 'webpack';
declare type IWatch = {
    watch: (files: string[], dirs: string[], missing: {}, startTime: number, options: {}, callback: () => {}, callbackUndelayed: () => {}) => void;
};
export declare class WatchPlugin implements Plugin {
    apply(compiler: Compiler & {
        watchFileSystem: IWatch;
    }): void;
}
export {};