public Map getThreadIdToSequenceIdMap() {
    if (queueManager == null) {
      return Collections.emptyMap();
    }
    if (queueManager.getState() == null) {
      return Collections.emptyMap();
    }
    return queueManager.getState().getThreadIdToSequenceIdMap();
  }
Test hook that returns the ThreadIdToSequenceIdMap
geode-core/src/main/java/org/apache/geode/cache/client/internal/PoolImpl.java