void delete(boolean childrenOnly, boolean writeTombstones) throws ServiceException {
void delete(DeleteScope scope, boolean writeTombstones) throws ServiceException {
    void delete(boolean childrenOnly, boolean writeTombstones) throws ServiceException {        if (!getFolder().canAccess(ACL.RIGHT_DELETE))            throw ServiceException.PERM_DENIED("you do not have sufficient permissions on the parent folder");    	deleteSingleFolder(writeTombstones);    }