Iterable<PluginId> pluginIds = Lists.newArrayList(idMappings.keySet());
                for (PluginId id : pluginIds) {
                    if (plugin.isAlsoKnownAs(id)) {
                        idMappings.get(id).add(new PluginWithId(id, pluginClass));
                    }
                }
            }
        };
    }

    @Override