question: protected Region createAckRegion ( boolean mirror , boolean conflate ) throws CacheException { final AttributesFactory factory = new AttributesFactory ( ) ; factory . setScope ( Scope . DISTRIBUTED_ACK ) ; if ( mirror ) { factory . setDataPolicy ( DataPolicy . REPLICATE ) ; } if ( conflate ) { factory . setEnableAsyncConflation ( true ) ; } final Region r = createRootRegion ( "AckRegion" , factory . create ( ) ) ; return r ; }
target:  Create a region named AckRegion with ACK scope