docs: static FilterImpl create(final String path, String acceptType, final Filter filter) {
          if (acceptType == null) {
              acceptType = DEFAULT_ACCEPT_TYPE;
          }
          return new FilterImpl(path, acceptType, filter) {
              @Override
              public void handle(Request request, Response response) throws Exception {
                  filter.handle(request, response);
              }
          };
      }