public static long createFakeThreadIDForParallelGateway(int index, long originatingThreadId,
      int gatewayIndex) {
    return WanType.PARALLEL.generateWanId(originatingThreadId, index, gatewayIndex);
  }
create a fake id for an operation on the given bucket

@return the fake id
geode-core/src/main/java/org/apache/geode/internal/cache/ha/ThreadIdentifier.java