src/vs/editor/browser/controller/mouseTarget.ts/createFromDOMInfo
	export function createFromDOMInfo(ctx: HitTestContext, spanNode: HTMLElement, offset: number): HitTestResult {
		const position = ctx.getPositionFromDOMInfo(spanNode, offset);
		if (position) {
			return new ContentHitTestResult(position, spanNode, null);
		}
		return new UnknownHitTestResult(spanNode);
	}