@Deprecated
  public RegionFactory<K, V> setEarlyAck(boolean earlyAck) {
    attrsFactory.setEarlyAck(earlyAck);
    return this;
  }
Sets for this region whether or not acks are sent after an update is processed.

@param earlyAck set to true for the acknowledgement to be sent prior to processing the update
@return a reference to this RegionFactory object
@see AttributesFactory#setEarlyAck(boolean)
@deprecated As of 6.5 this setting no longer has any effect.
geode-core/src/main/java/org/apache/geode/cache/RegionFactory.java