src/vs/workbench/contrib/remote/browser/remote.ts/HelpTreeRenderer/renderTemplate
class HelpTreeRenderer:	renderTemplate(container: HTMLElement): IHelpItemTemplateData {
		container.classList.add('remote-help-tree-node-item');
		const icon = dom.append(container, dom.$('.remote-help-tree-node-item-icon'));
		const data = <IHelpItemTemplateData>Object.create(null);
		data.parent = container;
		data.icon = icon;
		return data;
	}