@type t() :: %ExBifrost.Model.GeminiGenerationResponse{
  candidates:
    [ExBifrost.Model.GeminiGenerationResponseCandidatesInner.t()] | nil,
  createTime: DateTime.t() | nil,
  modelVersion: String.t() | nil,
  promptFeedback:
    ExBifrost.Model.GeminiGenerationResponsePromptFeedback.t() | nil,
  responseId: String.t() | nil,
  usageMetadata: ExBifrost.Model.GeminiGenerationResponseUsageMetadata.t() | nil
}