protected function getCommentType($propertyType)
    {
        $commentType = 'string';
        if (stripos($propertyType, 'int') !== false) {
            $commentType = 'integer';
        } else if (stripos($propertyType, 'float') !== false) {
            $commentType = 'float';
        } else if (stripos($propertyType, 'decimal') !== false) {
            $commentType = 'double';
        }

        return $commentType;
    }