src/vs/workbench/contrib/comments/browser/commentThreadWidget.ts/ReviewZoneWidget/createNewCommentNode
class ReviewZoneWidget:	private createNewCommentNode(comment: modes.Comment): CommentNode {
		let newCommentNode = this._scopedInstatiationService.createInstance(CommentNode,
			this._commentThread,
			comment,
			this.owner,
			this.editor.getModel()!.uri,
			this._parentEditor,
			this,
			this._markdownRenderer);

		this._disposables.add(newCommentNode);
		this._disposables.add(newCommentNode.onDidClick(clickedNode =>
			this.setFocusedComment(this._commentElements.findIndex(commentNode => commentNode.comment.uniqueIdInThread === clickedNode.comment.uniqueIdInThread))
		));

		return newCommentNode;
	}