src/vs/editor/contrib/cursorUndo/browser/cursorUndo.ts/CursorUndo/constructor
class CursorUndo:	constructor() {
		super({
			id: 'cursorUndo',
			label: nls.localize('cursor.undo', "Cursor Undo"),
			alias: 'Cursor Undo',
			precondition: undefined,
			kbOpts: {
				kbExpr: EditorContextKeys.textInputFocus,
				primary: KeyMod.CtrlCmd | KeyCode.KeyU,
				weight: KeybindingWeight.EditorContrib
			}
		});
	}