def METHOD_NAME(
        self, energy_deviation=None, unsettled_deviation=None):
    prosumption_interface, current_time_slot = self._setup_base_configuration()
    if energy_deviation:
        prosumption_interface._forecast_measurement_deviation_kWh[
            current_time_slot] = energy_deviation
    if unsettled_deviation:
        prosumption_interface._unsettled_deviation_kWh[
            current_time_slot] = unsettled_deviation
    return prosumption_interface, current_time_slot