code: public static void loadedPlugin(AbstractPlugin plugin) {
          if (!isPluginLoadedImpl(plugin)) {
              checkPluginId(plugin);
              getLoadedPlugins().add(plugin);
              mapLoadedPlugins.put(plugin.getId(), plugin);
              Collections.sort(loadedPlugins, riskComparator);
          }
      }
docs: Adds the given loaded {@code plugin} to the {@code PluginFactory}. Loaded plugins, are used by the active scanner, if
  enabled.
  <p>
  Call to this method has not effect it the {@code plugin} was already added.
  
  @param plugin the plugin that should be loaded
  @since 2.4.0
  @see #isPluginLoaded(AbstractPlugin)