public static void setClientServerObserverForBeforeInterestRecovery() {
    PoolImpl.BEFORE_RECOVER_INTEREST_CALLBACK_FLAG = true;
    ClientServerObserverHolder.setInstance(new ClientServerObserverAdapter() {
      @Override
      public void beforeInterestRecovery() {
        setAllCountersZero();
      }
    });
  }
reset all counters to zero before interest recovery
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/ConflationDistributedTest.java