private void waitForRegionCreateEvent() {
    StoppableCountDownLatch latch = afterRegionCreateEventLatch;
    if (latch != null && latch.getCount() == 0) {
      return;
    }
    waitOnInitialization(latch);
  }
Used to cause cache listener events to wait until the after region create event is delivered.

@since GemFire 5.0
geode-core/src/main/java/org/apache/geode/internal/cache/LocalRegion.java