@Override
  public PsiDocComment getContainingComment() {
    ASTNode scope = getTreeParent();
    while (scope.getElementType() != JavaDocElementType.DOC_COMMENT) {
      scope = scope.getTreeParent();
    }
    return (PsiDocComment)SourceTreeToPsiMap.treeElementToPsi(scope);
  }
@Override
  public PsiDocComment getContainingComment()