protected static Map<CustId, Customer> putCustomerPartitionedRegion(int numPuts,
      String valueSuffix) {
    Map<CustId, Customer> custKeyValues = new HashMap<>();
    for (int i = 1; i <= numPuts; i++) {
      CustId custid = new CustId(i);
      Customer customer = new Customer("name" + i, "Address" + i + valueSuffix);
      try {
        customerRegion.put(custid, customer);
        assertThat(customerRegion.containsKey(custid)).isTrue();
        assertThat(customerRegion.get(custid)).isEqualTo(customer);
        custKeyValues.put(custid, customer);
      } catch (Exception e) {
        fail(
            "putCustomerPartitionedRegion : failed while doing put operation in CustomerPartitionedRegion ",
            e);
      }
      logger.info("Customer :- { " + custid + " : " + customer + " }");
    }
    return custKeyValues;
  }
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