maximum_local_snapshot_age

raw details (from release v2.2.3):

{
  "name": "maximum_local_snapshot_age",
  "properties": {
    "long": "maximum-local-snapshot-age",
    "value_name": "NUMBER_OF_SLOTS",
    "takes_value": "true",
    "default_value": "&default_args.maximum_local_snapshot_age",
    "help": "\n                    \"Reuse a local snapshot if it's less than this many slots behind the highest \\\n                     snapshot available for download from other validators\",\n                "
  },
  "isDeprecated": false
}