src/vs/workbench/contrib/preferences/browser/settingsTree.ts/AbstractSettingRenderer/createSyncIgnoredElement
class AbstractSettingRenderer:	protected createSyncIgnoredElement(container: HTMLElement): HTMLElement {
		const syncIgnoredElement = DOM.append(container, $('span.setting-item-ignored'));
		const syncIgnoredLabel = new SimpleIconLabel(syncIgnoredElement);
		syncIgnoredLabel.text = `($(sync-ignored) ${localize('extensionSyncIgnoredLabel', 'Sync: Ignored')})`;

		return syncIgnoredElement;
	}