src/vs/workbench/contrib/remote/browser/tunnelView.ts/TunnelPanel/onSelectionChanged
class TunnelPanel:	private onSelectionChanged(event: ITableEvent<ITunnelItem>) {
		const elements = event.elements;
		if (elements.length > 1) {
			this.tunnelViewMultiSelectionContext.set(elements);
		} else {
			this.tunnelViewMultiSelectionContext.set(undefined);
		}
	}