anchor.diff:           get_peercert/1,
            get_streams/1,
            send_window_update/2,
  +         update_settings/2,
            send_frame/2
           ]).
   
  
positive.code:      Conn#connection{
         recv_window_size=CRWS+Size
        }};
  handle_event({send_headers, StreamId, Headers, Opts},
               StateName,
               #connection{
  
negative.code: -spec send_window_update(pid(), non_neg_integer()) -> ok.
  send_window_update(Pid, Size) ->
      gen_fsm:send_all_state_event(Pid, {send_window_update, Size}).
  
  -spec update_settings(pid(), h2_frame_settings:payload()) -> ok.
  update_settings(Pid, Payload) ->
      gen_fsm:send_all_state_event(Pid, {update_settings, Payload}).
  
  -spec stop(pid()) -> ok.
  stop(Pid) ->
  