src/vs/workbench/contrib/comments/browser/commentService.ts/CommentService/updateComments
class CommentService:	updateComments(ownerId: string, event: CommentThreadChangedEvent<IRange>): void {
		const evt: ICommentThreadChangedEvent = Object.assign({}, event, { owner: ownerId });
		this._onDidUpdateCommentThreads.fire(evt);
	}