public Builder toBuilder() {
    return new Builder()
      .setRequest(request)
      .setClusterName(clusterName)
      .setStack(stack)
      .setKerberosDescriptor(kerberosDescriptor)
      .setNewServices(newServices)
      .setStages(stages)
      .setConfig(config)
      .setRecommendationInfo(recommendationInfo)
      ;
  }
Processed info for adding new services/components to an existing cluster.
ambari-server/src/main/java/org/apache/ambari/server/topology/addservice/AddServiceInfo.java