export declare const useWatchTrue: (source: () => boolean, cb: (v: boolean, o: boolean) => any) => void;
export declare const useWatchFalse: (source: () => boolean, cb: (v: boolean, o: boolean) => any) => void;
export declare const useWatchChange: (source: () => any, cb: (v: any, o: any) => any) => void;
