README
typings
https://github.com/xtermjs/xterm.js/blob/4.14.1/typings/xterm.d.ts#L1025
Docs
setOption
https://xtermjs.org/docs/api/terminal/classes/terminal/#setoption
https://github.com/xtermjs/xterm.js/blob/4.14.1/typings/xterm.d.ts#L1025
https://xtermjs.org/docs/api/terminal/classes/terminal/#setoption