code: def setup_subparser(cls, subparser):
      set_parser = generate_subparser(
          subparser,
          "list-add",
          description="Sets a key on the requested LookupTable",
          subcommand=True,
      )
  
      set_parser_epilog(
          set_parser,
          epilog=(
              """\
                  Examples:
  
                      manage.py lookup-tables list-add -t [table] -k [key] -v [value]
                  """
          ),
      )
  
      set_parser.add_argument(
          "-t", "--table", help="Name of the LookupTable", required=True
      )
  
      set_parser.add_argument(
          "-k",
          "--key",
          help="Key to modify on the LookupTable",
          required=True,
      )
  
      set_parser.add_argument(
          "-v", "--value", help="Value to add to the key", required=True
      )
  
      set_parser.add_argument(
          "-u",
          "--unique",
          help="Remove duplicate values from the final list",
          action="store_true",
      )
  
      set_parser.add_argument(
          "-s",
          "--sort",
          help="Sort the final list",
          action="store_true",
      )
  
imports: import copy
  import json
  from streamalert.shared.logger import get_logger
  from streamalert.shared.lookup_tables.core import LookupTables
  from streamalert.shared.lookup_tables.utils import LookupTablesMagic
  from streamalert_cli.utils import CLICommand, generate_subparser, set_parser_epilog
label_desc: Use image node_id 1 for calling the LookupTablesListAddSubCommand obj's underlying member method code with example usage: obj.setup_subparser(cls, subparser) without return types