docstr: Add the rule staging unstage subparser: manage.py rule-staging unstage
docstr_tok: ["Add","the","rule","staging","unstage","subparser",":","manage.py","rule-staging","unstage"]
code: def _setup_rule_staging_unstage_subparser(cls, subparsers):
      """Add the rule staging unstage subparser: manage.py rule-staging unstage"""
      rule_staging_unstage_parser = generate_subparser(
          subparsers,
          "unstage",
          description="Unstage the provided rules",
          subcommand=True,
      )
  
      cls._add_default_rule_staging_args(rule_staging_unstage_parser)
  
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 5 for calling the RuleStagingCommand obj's underlying member method code with example usage: obj._setup_rule_staging_unstage_subparser(cls, subparsers) without return types