protected function applyDqlSettingsToConfiguration(array $configuredSettings, Configuration $doctrineConfiguration)
    {
        if (isset($configuredSettings['customStringFunctions'])) {
            $doctrineConfiguration->setCustomStringFunctions($configuredSettings['customStringFunctions']);
        }
        if (isset($configuredSettings['customNumericFunctions'])) {
            $doctrineConfiguration->setCustomNumericFunctions($configuredSettings['customNumericFunctions']);
        }
        if (isset($configuredSettings['customDatetimeFunctions'])) {
            $doctrineConfiguration->setCustomDatetimeFunctions($configuredSettings['customDatetimeFunctions']);
        }
    }