public static DistributedRegion regionUnlocked(InternalDistributedMember locker,
      String regionPath) {
    return lockedRegions.remove(new LockKey(locker, regionPath));
  }
A map of all the regions that are currently locked for a clear in this VM
geode-core/src/main/java/org/apache/geode/internal/cache/DistributedClearOperation.java