void (EventRequest request, String pattern) { if (request instanceof ExceptionRequest) { ((ExceptionRequest)request).addClassExclusionFilter(pattern); } else if (request instanceof MethodEntryRequest) { ((MethodEntryRequest)request).addClassExclusionFilter(pattern); } else if (request instanceof MethodExitRequest) { ((MethodExitRequest)request).addClassExclusionFilter(pattern); } else if (request instanceof WatchpointRequest) { ((WatchpointRequest)request).addClassExclusionFilter(pattern); } }