private void startSidePanePlugins(JabRefFrame jrf) {
JabRefPlugin jabrefPlugin = JabRefPlugin.getInstance(PluginCore.getManager());
List<_JabRefPlugin.SidePanePluginExtension> plugins = jabrefPlugin.getSidePanePluginExtensions();
for (_JabRefPlugin.SidePanePluginExtension extension : plugins) {
SidePanePlugin plugin = extension.getSidePanePlugin();
plugin.init(jrf, jrf.sidePaneManager);
SidePaneComponent comp = plugin.getSidePaneComponent();
jrf.sidePaneManager.register(comp.getName(), comp);
jrf.addPluginMenuItem(plugin.getMenuItem());
}
}