src/vs/workbench/contrib/terminal/browser/terminalTypeAheadAddon.ts/CursorMovePrediction/rollback
class CursorMovePrediction:	rollback(cursor: Cursor) {
		if (!this._applied) {
			return '';
		}

		return cursor.move(this._applied.prevPosition, cursor.y) + this._applied.prevAttrs;
	}