@type t() :: %UAInspector.Result{
  browser_family: String.t() | :unknown,
  client: UAInspector.Result.Client.t() | :unknown,
  device: UAInspector.Result.Device.t() | :unknown,
  os: UAInspector.Result.OS.t() | :unknown,
  os_family: String.t() | :unknown,
  user_agent: nil | String.t()
}