def METHOD_NAME(self):
    """Get fitted parameters.
    Returns
    -------
    fitted_params : dict
    """
    fitted_params = {}
    for name in self._get_fitted_param_names():
        if name in ["aic", "aicc", "bic", "hqic"]:
            fitted_params[name] = getattr(self._fitted_forecaster, name, None)
        else:
            fitted_params[name] = self._fitted_forecaster.params.get(name)
    return fitted_params