@Override
    public boolean rmLive(DiskEntry de, Oplog oplog) {
      synchronized (liveEntries) {
        boolean removed = liveEntries.remove(de);
        if (removed && pendingKrfTags != null) {
          pendingKrfTags.remove(de);
        }
        if (removed) {
          oplog.decLiveCount();
        }
        return removed;
      }
    }
A map of DiskEntry to the VersionTag that is written to disk associated with this tag. Only
needed for async regions so that we can generate a krf with a version tag that matches the
the tag we have written to disk for this oplog.
geode-core/src/main/java/org/apache/geode/internal/cache/Oplog.java