@type t() :: %Nvidia.Riva.Tts.SynthesizeSpeechResponse{
  __unknown_fields__: [
    {field_number :: integer(), Protobuf.Wire.Types.wire_type(),
     value :: term()}
  ],
  audio: binary(),
  id: Nvidia.Riva.RequestId.t() | nil,
  meta: Nvidia.Riva.Tts.SynthesizeSpeechResponseMetadata.t() | nil
}