public static void forceDepartureOf(DistributedLockService dlock,
      InternalDistributedMember member) {
    DLockGrantor grantor = null;
    try {
      grantor = DLockGrantor.waitForGrantor((DLockService) dlock);
      if (grantor != null) {
        grantor.handleDepartureOf(member);
      }
    } catch (InterruptedException e) {
      Thread.currentThread().interrupt();
    }
  }
Forces DLockGrantor to <code>handleDepartureOf</code> specified member, which causes the
grantor
release all locks held by that member.
<p>
If the specified service instance is not the grantor, this method will return without
performing anything.
geode-core/src/distributedTest/java/org/apache/geode/distributed/internal/locks/DLockGrantorHelper.java