protected static int createSerialNumber() {
    // NOTE: AtomicInteger should rollover if value is Integer.MAX_VALUE
    return serialNumberSequencer.incrementAndGet();
  }
Generates a serial number for identifying a DLS. Later instances of the same named DLS will
have a greater serial number than earlier instances. This number increments statically
throughout the life of this JVM. Rollover to negative is allowed.

@return the new serial number
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/DLockService.java