code: def _CheckIsLink(self, file_entry):
      
      if definitions.FILE_ENTRY_TYPE_LINK not in self._file_entry_types:
        return False
      return file_entry.IsLink()
docs: Checks the is_link find specification.
  
      Args:
        file_entry (FileEntry): file entry.
  
      Returns:
        bool: True if the file entry matches the find specification, False if not.