public function BulletinRemoveFollows($arg)
 {
     // $arg : base:IDType (follow id or ids)
     $this->CheckAndSetHeader(__FUNCTION__);
     $reg_args["follow_id"] = $this->getRegularArgs($arg, __FUNCTION__);
     $this->encodeString($reg_args);
     $results = parent::BulletinRemoveFollows($reg_args);
     $this->methodClose();
     return $this->decodeString($results);
 }