@type t() :: %ExBifrost.Model.SpeechResponse{
  alignment: ExBifrost.Model.SpeechResponseAlignment.t() | nil,
  audio: binary() | nil,
  audio_base64: String.t() | nil,
  extra_fields: ExBifrost.Model.BifrostResponseExtraFields.t() | nil,
  normalized_alignment: ExBifrost.Model.SpeechResponseAlignment.t() | nil,
  usage: ExBifrost.Model.CreateSpeech200ResponseUsage.t() | nil
}