message: fix lint yet again
diff: @@ -33,7 +33,7 @@ interface IRule<T, D = void> {
  interface IArgs<T, D = void> {
  rules: IRule<T, D>[];
  description(this: T, derivedData: D): React.ReactChild;
  - hideDescriptionIfValid: Boolean;
  + hideDescriptionIfValid?: Boolean;
  deriveData?(data: Data): Promise<D>;
  }
  