src/vs/editor/contrib/suggest/browser/suggestWidgetDetails.ts/SuggestDetailsOverlay/placeAtAnchor
class SuggestDetailsOverlay:	placeAtAnchor(anchor: HTMLElement, preferAlignAtTop: boolean) {
		const anchorBox = anchor.getBoundingClientRect();
		this._anchorBox = anchorBox;
		this._preferAlignAtTop = preferAlignAtTop;
		this._placeAtAnchor(this._anchorBox, this._userSize ?? this.widget.size, preferAlignAtTop);
	}