Provide tty info #985
Description
Never jline versions has a rewritten terminal provider layer which gives more accurate info about presence of a tty. It would be good to extract this info and expose it to relevant places. While it's already possible to cast Terminal to TerminalExt and use its methods, this feels a little awkward.
ShellContext and/or CommandContext are places where this might get used manually. It probably needs a separate issue but having automatic way to convert command output to machine readable(i.e. json) format when pipe is used would be nice.