src/vs/workbench/contrib/debug/browser/callStackView.ts/ShowMoreRenderer/renderTemplate
class ShowMoreRenderer:	renderTemplate(container: HTMLElement): ILabelTemplateData {
		const label = dom.append(container, $('.show-more'));
		const toDispose = attachStylerCallback(this.themeService, { textLinkForeground }, colors => {
			if (colors.textLinkForeground) {
				label.style.color = colors.textLinkForeground.toString();
			}
		});

		return { label, toDispose };
	}