{
  "args": {
    "channel": {
      "desc": "Private channel to unarchive",
      "required": true,
      "type": "group"
    }
  },
  "desc": "Unarchives a private channel.",
  "errors": {
    "channel_not_found": "Value passed for `channel` was invalid.",
    "not_archived": "Group is not archived."
  }
}