code: @SuppressWarnings("unused") // called through reflection by RequestServer
    public FramesListV3 list(int version, FramesListV3 s) {
      Frames f = s.createAndFillImpl();
      f.frames = Frame.fetchAll();
  
      s.fillFromImplWithSynopsis(f);
  
      return s;
    }
docs: Return all the frames. The Frames list will be instances of FrameSynopsisV3,
  which only contains a few fields, for performance reasons.
  @see FrameSynopsisV3