def METHOD_NAME(self) -> str:
    """
    Output configured lookback period in either candles or minutes
    """
    if self._lookback_period_candles:
        return (f"{self._lookback_period_candles} "
                f"{plural(self._lookback_period_candles, 'candle', 'candles')}")
    else:
        return (f"{self._lookback_period} "
                f"{plural(self._lookback_period, 'minute', 'minutes')}")