@Override
      public String description() {
        return "Waiting for " + expectedMembers + " proxies to get reflected at managing node";
      }
Utility Method to obtain DistributedRegionMXBean proxy reference for a particular region

@param lockServiceName name of the lock service
@param expectedMembers the number of members expected to be using the lock service
@return a reference to DistributedLockServiceMXBean
geode-dunit/src/main/java/org/apache/geode/management/MBeanUtil.java