/**
  * (non-PHPdoc)
  * @see svnadmin\core\interfaces.IGroupEditProvider::removeSubgroupFromAllGroups()
  */
 public function removeSubgroupFromAllGroups($objSubgroup)
 {
     $groups = $this->m_authfile->groupsOfSubgroup($objSubgroup->name);
     for ($i = 0; $i < count($groups); $i++) {
         $this->m_authfile->removeSubgroupFromGroup($objSubgroup->name, $groups[$i]);
     }
     return true;
 }