docstr: Add the default arguments to the rule staging parsers
docstr_tok: ["Add","the","default","arguments","to","the","rule","staging","parsers"]
code: def _add_default_rule_staging_args(subparser):
      """Add the default arguments to the rule staging parsers"""
      subparser.add_argument(
          "rules",
          action=UniqueSortedListAction,
          default=[],
          help="One or more rule to perform this action against, seperated by spaces",
          nargs="+",
      )
  
file_path: streamalert/streamalert_cli/rule_table.py
imports: from streamalert.shared.rule_table import RuleTable
  from streamalert_cli.utils import CLICommand, generate_subparser, UniqueSortedListAction
label_desc: Use image node_id 6 for calling the RuleStagingCommand obj's underlying member method code with example usage: obj._add_default_rule_staging_args(subparser) without return types