docs: @Pure
  	public static String getFirstFreeBusHubName(BusNetwork busnetwork) {
  		int nb = busnetwork.getBusHubCount();
  		String name;
  		do {
  			++nb;
  			name = Locale.getString(
  					"NAME_TEMPLATE", //$NON-NLS-1$
  					Integer.toString(nb));
  		}
  		while (busnetwork.getBusHub(name) != null);
  		return name;
  	}