code: public void closeRecorders() {
          try {
              this.ris.closeRecorder();
              this.ros.closeRecorder();
          } catch (IOException e) {
              DevUtils.warnHandle(e, "Convert to runtime exception?");
          }
      }
docs: Close both input and output recorders.
  
  Recorders are the output streams to which we are recording.
  {@link #close()} closes the stream that is being recorded and the
  recorder. This method explicitly closes the recorder only.