docs: protected void prepareRequest(List<BoxAPIRequest> requests) {
          JsonObject body = new JsonObject();
          JsonArray requestsJSONArray = new JsonArray();
          for (BoxAPIRequest request: requests) {
              JsonObject batchRequest = new JsonObject();
              batchRequest.add("method", request.getMethod());
              batchRequest.add("relative_url", request.getUrl().toString().substring(this.api.getBaseURL().length() - 1));
              //If the actual request has a JSON body then add it to vatch request
              if (request instanceof BoxJSONRequest) {
                  BoxJSONRequest jsonRequest = (BoxJSONRequest) request;
                  batchRequest.add("body", jsonRequest.getBodyAsJsonValue());
              }
              //Add any headers that are in the request, except Authorization
              if (request.getHeaders() != null) {
                  JsonObject batchRequestHeaders = new JsonObject();
                  for (RequestHeader header: request.getHeaders()) {
                      if (header.getKey() != null && !header.getKey().isEmpty()
                          && !HttpHeaders.AUTHORIZATION.equals(header.getKey())) {
                          batchRequestHeaders.add(header.getKey(), header.getValue());
                      }
                  }
                  batchRequest.add("headers", batchRequestHeaders);
              }
  
              //Add the request to array
              requestsJSONArray.add(batchRequest);
          }
          //Add the requests array to body
          body.add("requests", requestsJSONArray);
          super.setBody(body);
      }