def AddProcessingOptions(self, argument_group):
    """Adds the processing options to the argument group.

    Args:
      argument_group (argparse._ArgumentGroup): argparse argument group.
    """
    argument_group.add_argument(
        '--single_process', '--single-process', dest='single_process',
        action='store_true', default=False, help=(
            'Indicate that the tool should run in a single process.'))

    argument_helper_names = ['temporary_directory', 'workers', 'zeromq']
    if self._CanEnforceProcessMemoryLimit():
      argument_helper_names.append('process_resources')
    helpers_manager.ArgumentHelperManager.AddCommandLineArguments(
        argument_group, names=argument_helper_names)
Adds the processing options to the argument group.

    Args:
      argument_group (argparse._ArgumentGroup): argparse argument group.