private void destroyFromQueue(Object key) {
    Object event = region.get(key);
    region.localDestroy(key);

    maintainCqStats(event, -1);
  }
Destroys the entry at the position from the Region. It checks for the presence of the position
in the AvailableID Set. If the position existed in the Set, then only it is removed from the
Set & the underlying Region

@param position Long position counter for entry in the Region
@return true if the entry with <br>
        position <br>
        specified was removed from the Set
geode-core/src/main/java/org/apache/geode/internal/cache/ha/HARegionQueue.java