public static function populateJsonOnlyEntities($xmlObj)
   {
       if (isset($xmlObj) &&
            isset($xmlObj->intuit->ipp->specialConfiguration)) {
           $specialCnf = $xmlObj->intuit->ipp->specialConfiguration;
           if (!$specialCnf instanceof SimpleXMLElement) {
               return false;
           }
           if (!$specialCnf->children() instanceof SimpleXMLElement) {
               return false;
           }
           if (!$specialCnf->children()->count()) {
               return false;
           }
           $rules = array();
           foreach ($specialCnf->children() as $entity) {
               if (!$entity->attributes()->count()) {
                   continue;
               }
               $name = self::decorateEntity($entity->getName());
               if (!array_key_exists($name, $rules)) {
                   $rules[$name] = array();
               }
               foreach ($entity->attributes() as $attr) {
                   $rules[$name][$attr->getName()] = filter_var((string)$entity->attributes(), FILTER_VALIDATE_BOOLEAN);
               }
           }
           return $rules;
       }
       return false;
   }