code: @ReadOperation
      public WebEndpointResponse<Resource> exportServices() throws Exception {
          val date = new SimpleDateFormat("yyyy-MM-dd-HH-mm").format(new Date());
          val file = File.createTempFile("services-" + date, ".zip");
          Files.deleteIfExists(file.toPath());
  
          val env = new HashMap<String, Object>();
          env.put("create", "true");
          env.put("encoding", StandardCharsets.UTF_8.name());
          try (val zipfs = FileSystems.newFileSystem(URI.create("jar:" + file.toURI().toString()), env)) {
              val serializer = new RegisteredServiceJsonSerializer();
              val services = this.servicesManager.load();
              services.forEach(Unchecked.consumer(service -> {
                  val fileName = String.format("%s-%s", service.getName(), service.getId());
                  val sourceFile = File.createTempFile(fileName, ".json");
                  serializer.to(sourceFile, service);
                  if (sourceFile.exists()) {
                      val pathInZipfile = zipfs.getPath("/".concat(sourceFile.getName()));
                      Files.copy(sourceFile.toPath(), pathInZipfile, StandardCopyOption.REPLACE_EXISTING);
                  }
              }));
          }
          val resource = new TemporaryFileSystemResource(file);
          return new WebEndpointResponse(resource);
      }
docs: Export services web endpoint response.
  
  @return the web endpoint response
  @throws Exception the exception