@type t() :: %GEPA.OptimizeAnything.TrackingConfig{
  attach_existing: term(),
  key_prefix: term(),
  logger: term(),
  mlflow_attach_existing: term(),
  mlflow_experiment_name: term(),
  mlflow_tracking_uri: term(),
  tracker: term(),
  use_mlflow: term(),
  use_wandb: term(),
  wandb_api_key: term(),
  wandb_attach_existing: term(),
  wandb_init_kwargs: term(),
  wandb_step_metric: term()
}