code: def AtMaximumDepth(self, search_depth):
      
      if self._key_path_segments is not None:
        if search_depth >= self._number_of_key_path_segments:
          return True
  
      return False
docs: Determines if the find specification is at maximum depth.
  
      Args:
        search_depth (int): number of key path segments to compare.
  
      Returns:
        bool: True if at maximum depth, False if not.