private void addToGroup(@NotNull PluginsGroup group,
                          @NotNull List<? extends IdeaPluginDescriptor> descriptors,
                          int index,
                          int eventIndex) {
    for (IdeaPluginDescriptor descriptor : descriptors) {
      ListPluginComponent pluginComponent = createListComponent(descriptor, group);
      group.ui.plugins.add(pluginComponent);
      add(pluginComponent, index);
      myEventHandler.addCell(pluginComponent, eventIndex);
      pluginComponent.setListeners(myEventHandler);
      if (index != -1) {
        index++;
      }
      if (eventIndex != -1) {
        eventIndex++;
      }
    }
  }
private void addToGroup(@NotNull PluginsGroup group,
                          @NotNull List<? extends IdeaPluginDescriptor> descriptors,
                          int index,
                          int eventIndex)