version 1 .
embeddedType EntityRef.Ref .

SshChannelTypeAvailable = <channel-type-available @type bytes>.

SshChannelRemote = <channel-remote @type bytes @extra-data bytes>.
SshChannelLocal  = <channel-local  @type bytes @extra-data bytes>.

SshChannelOpenResponse =
  / @ok <channel-open-confirmation @sink #!stream.Sink @extra-data bytes>
  / @fail <channel-open-failure @sink #!stream.Sink @reason int @description bytes>
.

SshChannelObject =
  / @extended-data <channel-extended-data @type-code int>
  / @request <channel-request @type bytes @want-reply bool>
  / @success <channel-reply #t>
  / @failure <channel-reply #f>
.