@type t() :: %Nvidia.Riva.Nlp.TokenClassRequest{
  __unknown_fields__: [
    {field_number :: integer(), Protobuf.Wire.Types.wire_type(),
     value :: term()}
  ],
  id: Nvidia.Riva.RequestId.t() | nil,
  model: Nvidia.Riva.Nlp.NLPModelParams.t() | nil,
  text: [String.t()],
  top_n: non_neg_integer()
}