public function StarGetStarVersions($star_item = false)
 {
     // $star_item : CbgrnItemVersionType class or this array (optional)
     $this->CheckAndSetHeader(__FUNCTION__);
     if ($star_item !== false) {
         $reg_args = $this->getRegularArgs($star_item, __FUNCTION__, "CbgrnItemVersionType");
     }
     $this->encodeString($reg_args);
     $results = parent::StarGetStarVersions($reg_args);
     $this->methodClose();
     return $this->decodeString($results->star_item);
 }