docs: def _parse_args(args):
      """ Argument parsing
      """
      cmd_parser = argparse.ArgumentParser(description='Execute a Streams application using a Streaming Analytics service.')
  
      ctx_group = cmd_parser.add_mutually_exclusive_group(required=True)
      ctx_group.add_argument('--service-name', help='Submit to Streaming Analytics service')
      ctx_group.add_argument('--create-bundle', action='store_true', help='Create a bundle using a local IBM Streams install. No job submission occurs.')
  
      app_group = cmd_parser.add_mutually_exclusive_group(required=True)
      app_group.add_argument('--topology', help='Topology to call')
      app_group.add_argument('--main-composite', help='SPL main composite')
      app_group.add_argument('--bundle', help="Streams application bundle (sab file) to submit to service")
  
      bld_group = cmd_parser.add_argument_group('Build options', 'Application build options')
      bld_group.add_argument('--toolkits', nargs='+', help='SPL toolkit containing the main composite and any other required SPL toolkits.')
  
      _define_jco_args(cmd_parser)
  
      cmd_args = cmd_parser.parse_args(args)
      return cmd_args