code: public List<IResponseDumpable> createResponseDumpers(DumpConfig config, HttpServerExchange exchange) {
          ResponseDumperFactory factory = new ResponseDumperFactory();
          List<IResponseDumpable> dumpers = new ArrayList<>();
          for(String dumperNames: responseDumpers) {
              IResponseDumpable dumper = factory.create(dumperNames, config, exchange);
              dumpers.add(dumper);
          }
          return dumpers;
      }
docs: use ResponseDumperFactory to create dumpers listed in this.responseDumpers
  @param config type: DumpConfig
  @param exchange type: HttpServerExchange
  @return a list of IResponseDumpable, dumpers can dump http response info