code: def add_config_opts_to_parser(parser):
          
          parser.add_argument("--config-files", type=str, nargs="+",
                              required=True,
                              help="A file parsable by "
                                   "pycbc.workflow.WorkflowConfigParser.")
          parser.add_argument("--config-overrides", type=str, nargs="+",
                              default=None, metavar="SECTION:OPTION:VALUE",
                              help="List of section:option:value combinations "
                                   "to add into the configuration file.")
docs: Adds options for configuration files to the given parser.