public static void enableConflation(String senderId) {
    AbstractGatewaySender sender = (AbstractGatewaySender) getGatewaySender(senderId);
    sender.test_setBatchConflationEnabled(true);
  }
Returns a Map that contains the count for number of cache server and number of Receivers.
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/WANTestBase.java