src/vs/editor/contrib/suggest/suggestOvertypingCapturer.ts/OvertypingCapturer/getLastOvertypedInfo
class OvertypingCapturer:	getLastOvertypedInfo(idx: number): { value: string; multiline: boolean } | undefined {
		if (!this._empty && idx >= 0 && idx < this._lastOvertyped.length) {
			return this._lastOvertyped[idx];
		}
		return undefined;
	}