code: private void newTranslet(MethodType requestMethod, String requestName, TransletRule transletRule,
                               Translet parentTranslet) {
          translet = new CoreTranslet(transletRule, this);
          translet.setRequestName(requestName);
          translet.setRequestMethod(requestMethod);
          if (parentTranslet != null) {
              translet.setProcessResult(parentTranslet.getProcessResult());
          }
      }
docs: Create a new {@code CoreTranslet} instance.
  
  @param requestMethod the request method
  @param requestName the request name
  @param transletRule the translet rule
  @param parentTranslet the process result that was created earlier