private void invokeTestHookForConcurrentOperation() {
    /*
     * Execute the test hook runnable inline (not threaded) if it is not null.
     */
    if (null != testHookRunnableForConcurrentOperation) {
      testHookRunnableForConcurrentOperation.run();
    }
  }
RegionMap Destroy operation.

<p>
Extracted from AbstractRegionMap.
geode-core/src/main/java/org/apache/geode/internal/cache/map/RegionMapDestroy.java