src/vs/workbench/contrib/debug/browser/callStackView.ts/CallStackView/renderHeaderTitle
class CallStackView:	protected override renderHeaderTitle(container: HTMLElement): void {
		super.renderHeaderTitle(container, this.options.title);

		this.stateMessage = dom.append(container, $('span.call-stack-state-message'));
		this.stateMessage.hidden = true;
		this.stateMessageLabel = dom.append(this.stateMessage, $('span.label'));
	}