src/vs/workbench/contrib/comments/browser/commentThreadBody.ts/CommentThreadBody/_updateAriaLabel
class CommentThreadBody:	private _updateAriaLabel() {
		if (this._commentThread.isDocumentCommentThread()) {
			this._commentsElement.ariaLabel = nls.localize('commentThreadAria.withRange', "Comment thread with {0} comments on lines {1} through {2}. {3}.",
				this._commentThread.comments?.length, this._commentThread.range.startLineNumber, this._commentThread.range.endLineNumber,
				this._commentThread.label);
		} else {
			this._commentsElement.ariaLabel = nls.localize('commentThreadAria', "Comment thread with {0} comments. {1}.",
				this._commentThread.comments?.length, this._commentThread.label);
		}
	}