docs: public HttpServerExchange addResponseWrapper(final ConduitWrapper<StreamSinkConduit> wrapper) {
          ConduitWrapper<StreamSinkConduit>[] wrappers = responseWrappers;
          if (responseChannel != null) {
              throw UndertowMessages.MESSAGES.responseChannelAlreadyProvided();
          }
          if(wrappers == null) {
              this.responseWrappers = wrappers = new ConduitWrapper[2];
          } else if (wrappers.length == responseWrapperCount) {
              responseWrappers = new ConduitWrapper[wrappers.length + 2];
              System.arraycopy(wrappers, 0, responseWrappers, 0, wrappers.length);
              wrappers = responseWrappers;
          }
          wrappers[responseWrapperCount++] = wrapper;
          return this;
      }