code: protected void process(HttpServletRequest request, HttpServletResponse response) throws IOException {
          String acceptHeader = request.getHeader("Accept");
          if (acceptHeader != null && ((acceptHeader.contains("*/*")) || (acceptHeader.contains("application/json")))) {
              ServletHelper.respondAsJsonWithHttpStatus(response, getGridLoadResponse(), HttpServletResponse.SC_OK);
          } else {
              response.sendError(HttpServletResponse.SC_NOT_ACCEPTABLE,
                      "The servlet can only respond to application/json or */* Accept headers");
          }
      }
docs: This method gets a list of {@link BrowserStatistics} and returns over HTTP as a json document
  
  @param request
  {@link HttpServletRequest} that represents the servlet request
  @param response
  {@link HttpServletResponse} that represents the servlet response
  @throws IOException