src/vs/base/browser/ui/iconLabel/iconLabel.ts/IconLabel/getOrCreateDescriptionNode
class IconLabel:	private getOrCreateDescriptionNode() {
		if (!this.descriptionNode) {
			const descriptionContainer = this._register(new FastLabelNode(dom.append(this.labelContainer, dom.$('span.monaco-icon-description-container'))));
			if (this.creationOptions?.supportDescriptionHighlights) {
				this.descriptionNode = new HighlightedLabel(dom.append(descriptionContainer.element, dom.$('span.label-description')), { supportIcons: !!this.creationOptions.supportIcons });
			} else {
				this.descriptionNode = this._register(new FastLabelNode(dom.append(descriptionContainer.element, dom.$('span.label-description'))));
			}
		}

		return this.descriptionNode;
	}