def add_processed_file_names(self, file_names: [str]):
    """Adds the processed file name to the session state.

    Args:
      file_names: The processed file names to add to the session state.
    """
    if _PROCESSED_FILE_NAMES_KEY not in self._context:
      self._context[_PROCESSED_FILE_NAMES_KEY] = []
    self._context[_PROCESSED_FILE_NAMES_KEY].extend(file_names)
Adds the processed file name to the session state.

    Args:
      file_names: The processed file names to add to the session state.
    
src/google/adk/code_executors/code_executor_context.py