@Nullable
  @Override
  public PsiElement getDocumentationElementForLookupItem(PsiManager psiManager, Object object, PsiElement element) {
    final PsiFile file = element.getContainingFile();
    if (file == null || !FileUtilRt.extensionEquals(file.getName(), GradleConstants.EXTENSION)) return null;
    final String doc = findDoc(element, object);
    return !StringUtil.isEmpty(doc) ? new GdslNamedParameter(String.valueOf(object), doc, element, null) : null;
  }
@Nullable
  @Override
  public PsiElement getDocumentationElementForLookupItem(PsiManager psiManager, Object object, PsiElement element)