public static function range($gte, $lte, $message = null)
    {
        if ($message === null) {
            $message = "Value must be between $gte and $lte";
        }

        return new ResultsIn\OutcomeRule(new Psi\IsInRange($gte, $lte), $message);
    }
public static function range($gte, $lte, $message = null)
    {
        if ($message === null) {
            $message = "Value must be between $gte and $lte";
        }

        return new ResultsIn\OutcomeRule(new Psi\IsInRange($gte, $lte), $message);
    }
@param float  $gte
@param float  $lte
@param string $message

@return ResultsIn\OutcomeRule