@Nullable
  @Override
  public @Nls String generateDoc(PsiElement element, PsiElement originalElement) {
    PsiFile file = element.getContainingFile();
    if (file == null || !FileUtilRt.extensionEquals(file.getName(), GradleConstants.EXTENSION)) return null;
    return element instanceof GrLiteral ? findDoc(element, ((GrLiteral)element).getValue()) : null;
  }
@Nullable
  @Override
  public @Nls String generateDoc(PsiElement element, PsiElement originalElement)