code: def AddVSSProcessingOptions(self, argument_group):
      
      argument_group.add_argument(
          '--no_vss', '--no-vss', dest='no_vss', action='store_true',
          default=False, help=(
              'Do not scan for Volume Shadow Snapshots (VSS). This means that '
              'Volume Shadow Snapshots (VSS) are not processed.'))
  
      argument_group.add_argument(
          '--vss_only', '--vss-only', dest='vss_only', action='store_true',
          default=False, help=(
              'Do not process the current volume if Volume Shadow Snapshots '
              '(VSS) have been selected.'))
  
      argument_group.add_argument(
          '--vss_stores', '--vss-stores', dest='vss_stores', action='store',
          type=str, default=None, help=(
              'Define Volume Shadow Snapshots (VSS) (or stores that need to be '
              'processed. A range of stores can be defined as: "3..5". '
              'Multiple stores can be defined as: "1,3,5" (a list of comma '
              'separated values). Ranges and lists can also be combined as: '
              '"1,3..5". The first store is 1. All stores can be defined as: '
              '"all".'))
docs: Adds the VSS processing options to the argument group.
  
      Args:
        argument_group (argparse._ArgumentGroup): argparse argument group.