docs: public RequestBuilder createDefaultRequestBuilder(String httpUrl, String methodName, String reqBodyAsString) {
          RequestBuilder requestBuilder = RequestBuilder
                  .create(methodName)
                  .setUri(httpUrl);
  
          if (reqBodyAsString != null) {
              HttpEntity httpEntity = EntityBuilder.create()
                      .setContentType(APPLICATION_JSON)
                      .setText(reqBodyAsString)
                      .build();
              requestBuilder.setEntity(httpEntity);
          }
          return requestBuilder;
      }