public static AddServiceRequest of(String json) {
    try {
      return new ObjectMapper().readValue(json, AddServiceRequest.class);
    } catch (IOException e) {
      throw new UncheckedIOException(e);
    }
  }
Data object representing an add service request.
ambari-server/src/main/java/org/apache/ambari/server/topology/addservice/AddServiceRequest.java