code: def AddProcessingOptions(self, 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)
docs: Adds the processing options to the argument group.
  
      Args:
        argument_group (argparse._ArgumentGroup): argparse argument group.