public final synchronized void addTab(final @TabTitle String title,
                                        final Icon icon,
                                        final @NotNull JComponent component,
                                        final @NlsContexts.Tooltip String tip) {
    insertTab(title, icon, component, tip, tabbedPane.getTabCount());
  }
public final synchronized void addTab(final @TabTitle String title,
                                        final Icon icon,
                                        final @NotNull JComponent component,
                                        final @NlsContexts.Tooltip String tip)