code: public List<InterfaceHttpData> getData(HttpRequest request, HttpDataFactory factory) {
          List<InterfaceHttpData> data = new ArrayList<>(parts.size());
          for (Part part : parts) {
              data.add(part.getData(request, factory));
          }
          return data;
      }
docs: Create a list of {@link InterfaceHttpData} to build Netty multipart request.
  
  @param request Associated request
  @param factory The factory used to create the {@link InterfaceHttpData}
  @return List of {@link InterfaceHttpData} objects to build Netty multipart request