private function getPropertyValue($property)
    {
        $value  = null;
        $getter = 'get' . SimpleDataObjectConverter::snakeCaseToUpperCamelCase($property);

        if (method_exists($this, $getter)) {
            $value = $this->{$getter}();
        } elseif ($this->returnAdditionalSetting($property)) {
            $value = $this->returnAdditionalSetting($property);
        }

        return $value;
    }