@type t() :: %Nvidia.Riva.Nlp.TokenClassValue{
  __unknown_fields__: [
    {field_number :: integer(), Protobuf.Wire.Types.wire_type(),
     value :: term()}
  ],
  label: [Nvidia.Riva.Nlp.Classification.t()],
  span: [Nvidia.Riva.Nlp.Span.t()],
  token: String.t()
}