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

@param regionName name of the region
@param expectedMembers the number of members expected to be hosting the region
@return a reference to DistributedRegionMXBean
geode-dunit/src/main/java/org/apache/geode/management/MBeanUtil.java