message: tsc strict mode fix
  "strict": true
diff: @@ -96,7 +96,7 @@ export class Validator {
  flag(name: string, flags: Object): void;
  pause(): Validator;
  remove(name: string): void;
  - update(id: string, diff: Object);
  + update(id: string, diff: Object): void;
  resume(): Validator;
  setLocale(language?: string): void;
  localize(language: string, dictionary?: Object) :void;
  