docs: def following_key(key):
      """
      Returns the key immediately following the input key - based on the Java implementation found in
      org.apache.accumulo.core.data.Key, function followingKey(PartialKey part)
      :param key: the key to be followed
      :return: a key that immediately follows the input key
      """
      if key.timestamp is not None:
          key.timestamp -= 1
      elif key.colVisibility is not None:
          key.colVisibility = following_array(key.colVisibility)
      elif key.colQualifier is not None:
          key.colQualifier = following_array(key.colQualifier)
      elif key.colFamily is not None:
          key.colFamily = following_array(key.colFamily)
      elif key.row is not None:
          key.row = following_array(key.row)
      return key