public static Pool find(Region<?, ?> region) {
    return PoolManagerImpl.getPMI().find(region);
  }
Find the pool used by the given region.

@param region The region that is using the pool.
@return the pool used by that region or <code>null</code> if the region does not have a pool.
geode-core/src/main/java/org/apache/geode/cache/client/PoolManager.java