@Timed
  public Collection<PluginManagerResponse> activateInstalledPlugins() {
    final List<PluginManagerResponse> result = new ArrayList<PluginManagerResponse>();

    // if multiple V's for GAs are found, choose the one with biggest version (and pray that plugins
    // has sane
    // versioning)
    Map<GAVCoordinate, PluginMetadata> filteredPlugins =
        filterInstalledPlugins(repositoryManager.findAvailablePlugins());

    for (final GAVCoordinate gav : filteredPlugins.keySet()) {
      // activate what we found in reposes
      result.add(activatePlugin(gav, true, filteredPlugins.keySet()));
    }
    return result;
  }