private void respondWithNotGrantor(Iterator requests) {
    while (requests.hasNext()) {
      final DLockRequestMessage request = (DLockRequestMessage) requests.next();
      request.respondWithNotGrantor();
    }
  }
Send responses to specified requests informing the senders that this is no longer the grantor.
<p>
Caller must acquire destroyWriteLock.

@param requests the requests to respond to guarded.By {@link #acquireDestroyWriteLock(long)}
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/DLockGrantor.java