@Override
    public List<String> getStoppedReplicas() {
      if (getStoppedReplicaLatch != null && !stoppedReplicas.isEmpty()) {
        getStoppedReplicaLatch.countDown();
      }
      return stoppedReplicas;
    }
An implementation of {@link ClusterParticipant} that helps check consistency between participants.
ambry-server/src/test/java/com/github/ambry/server/ParticipantsConsistencyTest.java