code: public Object doHandleRequest(MBeanServerExecutor serverManager, R request)
                  throws InstanceNotFoundException, AttributeNotFoundException, ReflectionException, MBeanException, IOException, NotChangedException {
          return null;
      }
docs: Default implementation fo handling a request for multiple servers at once. A subclass, which returns,
  <code>true</code> on {@link #handleAllServersAtOnce(JmxRequest)}, needs to override this method.
  
  
  @param serverManager all MBean servers found in this JVM
  @param request the original request
  @return the result of the the request.
  @throws IOException
  @throws AttributeNotFoundException
  @throws InstanceNotFoundException
  @throws MBeanException
  @throws ReflectionException