public static void createSenderWithMultipleDispatchers(String dsName, int remoteDsId,
      boolean isParallel, Integer maxMemory, Integer batchSize, boolean isConflation,
      boolean isPersistent, GatewayEventFilter filter, boolean isManualStart, int numDispatchers,
      OrderPolicy orderPolicy) {
    createSenderWithMultipleDispatchers(dsName, remoteDsId,
        isParallel, maxMemory, batchSize, isConflation,
        isPersistent, filter, isManualStart, numDispatchers,
        orderPolicy, GatewaySender.DEFAULT_SOCKET_BUFFER_SIZE);
  }
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