[[ From Client ]]                [[ From Server ]]

                                 SETTINGS
                                 SETTINGS_ENABLE_CONNECT_PROTOCOL = 1

HEADERS + END_HEADERS
:method = CONNECT
:protocol = websocket
:scheme = https
:path = /jmap/ws/
:authority = server.example.com
origin: https://example.com
authorization = Basic Zm9vOmJhcg==
sec-websocket-protocol = jmap
sec-websocket-version = 13
sec-websocket-extensions =
  permessage-deflate
origin = https://www.example.com

                                 HEADERS + END_HEADERS
                                 :status = 200
                                 sec-websocket-protocol = jmap
                                 sec-websocket-extensions =
                                   permessage-deflate

[WebSocket connection established]

DATA
WS_DATA
[compressed text]

                                 DATA
                                 WS_DATA
                                 [compressed text]

...

DATA + END_STREAM
WS_CLOSE

                                 DATA + END_STREAM
                                 WS_CLOSE

[WebSocket connection closed]
[HTTP/2 stream closed]