DistributedMember getLessee() {
      if (lesseeThread != null) {
        return lesseeThread.getDistributedMember();
      } else {
        return null;
      }
    }
Returns the member holding the lease or null if there was no lease.

@return the member holding the lease or null
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/DLockQueryProcessor.java