/** Uninstall the manager. */
 public void deinstall() throws ManifoldCFException {
   beginTransaction();
   try {
     throttleSpecManager.deinstall();
     historyManager.deinstall();
     performDrop(null);
   } catch (ManifoldCFException e) {
     signalRollback();
     throw e;
   } catch (Error e) {
     signalRollback();
     throw e;
   } finally {
     endTransaction();
   }
 }