public void deleteRequest(Requestor requestor) {
    DebuggerManagerThreadImpl.assertIsManagerThread();
    myRequestWarnings.remove(requestor);
    if (!myDebugProcess.isAttached()) {
      return;
    }
    final Set<EventRequest> requests = myRequestorToBelongedRequests.remove(requestor);
    if (requests == null) {
      return;
    }
    for (final EventRequest request : requests) {
      try {
        final Requestor targetRequestor = (Requestor)request.getProperty(REQUESTOR);
        if (targetRequestor != requestor) {
          // the same request may be assigned to more than one requestor, but
          // there is only one 'targetRequestor' for each request, so if target requestor and requestor being processed are different,
          // should clear also the mapping targetRequestor->request
          Set<EventRequest> allTargetRequestorRequests = myRequestorToBelongedRequests.get(targetRequestor);
          if (allTargetRequestorRequests != null) {
            allTargetRequestorRequests.remove(request);
            if (allTargetRequestorRequests.isEmpty()) {
              myRequestorToBelongedRequests.remove(targetRequestor);
            }
          }
        }
        DebuggerUtilsAsync.deleteEventRequest(myEventRequestManager, request);
      }
      catch (InvalidRequestStateException ignored) {
        // request is already deleted
      }
      catch (InternalException e) {
        if (e.errorCode() == JvmtiError.NOT_FOUND) {
          //event request not found
          //there could be no requests after hotswap
        }
        else {
          LOG.info(e);
        }
      }
    }
  }
public void deleteRequest(Requestor requestor)