t() :: %ExOpenAI.Components.CreateFineTuneRequest{
  batch_size: integer() | nil,
  classification_betas: [float()] | nil,
  classification_n_classes: integer() | nil,
  classification_positive_class: String.t() | nil,
  compute_classification_metrics: boolean() | nil,
  learning_rate_multiplier: float() | nil,
  model: String.t() | nil,
  n_epochs: integer() | nil,
  prompt_loss_weight: float() | nil,
  suffix: String.t() | nil,
  training_file: String.t(),
  validation_file: String.t() | nil
}