@type t() :: %Gemini.Types.Tuning.CreateTuningJobConfig{
  adapter_size: String.t() | nil,
  base_model: String.t(),
  epoch_count: integer() | nil,
  labels: map() | nil,
  learning_rate_multiplier: float() | nil,
  training_dataset_uri: String.t(),
  tuned_model_display_name: String.t(),
  validation_dataset_uri: String.t() | nil
}