src/vs/workbench/api/common/extHostComments.ts/ExtHostCommentController/$updateCommentThreadTemplate
class ExtHostCommentController:		$updateCommentThreadTemplate(threadHandle: number, range: IRange): void {
			const thread = this._threads.get(threadHandle);
			if (thread) {
				thread.range = extHostTypeConverter.Range.to(range);
			}
		}