protected boolean isLockingSuspendedWithSync() {
    synchronized (suspendLock) {
      return lockingSuspendedBy != null;
    }
  }
Returns true if locking has been suspended.
<p>
Synchronizes on suspendLock.

@return true if locking has been suspended
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/DLockGrantor.java