@type t() :: %Nvidia.Riva.Nmt.StreamingTranslateSpeechToTextRequest{
  __unknown_fields__: [
    {field_number :: integer(), Protobuf.Wire.Types.wire_type(),
     value :: term()}
  ],
  id: Nvidia.Riva.RequestId.t() | nil,
  streaming_request:
    {:config, Nvidia.Riva.Nmt.StreamingTranslateSpeechToTextConfig.t() | nil}
    | {:audio_content, binary()}
    | nil
}