//Current

public function getPlugins($scope, $type, $plugin = NULL) {
    $plugin_type = $this->getPluginType($scope, $type);
    $definition = $plugin_type->get('definition');
    if (empty($definition)) {
      $definition = "plugin.definition";
    }
    if (!empty($plugin)) {
      return config("$definition.$scope.$type.$plugin");
    }
    return config_get_signed_file_storage_names_with_prefix("$definition.$scope.$type");
  }

//Future?

public function getPlugins($scope, $type, $plugin = NULL) {
    $plugin_type = $this->getPluginType($scope, $type);
    $definition = $plugin_type->get('definition');
    if (empty($definition)) {
      $definition = "plugin.definition";
    }
    $plugins = array();
    if (!empty($plugin)) {
      $plugins["$definition.$scope.$type.$plugin"] = config("$definition.$scope.$type.$plugin");
    }
    else {
      $definitions = config_get_signed_file_storage_names_with_prefix("$definition.$scope.$type");
      foreach ($definitions as $plugin) {
        $plugins[$plugin] = config($plugin);
      }
    }
    foreach ($plugins as $id => $plugin) {
      $child = $plugin->get('child');
      if (!empty($child)) {
        //hand waving hand off to factory which loads the class and calculates children and appends it into the plugins array.
      }
    }
    return $plugins;
  }