public RegionFactory<K, V> setMulticastEnabled(boolean value) {
    attrsFactory.setMulticastEnabled(value);
    return this;
  }
Sets whether distributed operations on this region should attempt to use multicast.

@since GemFire 5.0
@param value true to enable multicast
@return a reference to this RegionFactory object
@see AttributesFactory#setMulticastEnabled(boolean)
geode-core/src/main/java/org/apache/geode/cache/RegionFactory.java