for (Plugin element : tgt) {
                    Object key = getPluginKey().apply(element);
                    merged.put(key, element);
                }

                Map<Object, Plugin> added = new LinkedHashMap<>();

                for (Plugin element : src) {
                    Object key = getPluginKey().apply(element);
                    Plugin existing = merged.get(key);

                for (Plugin element : tgt) {
                    Object key = getPluginKey().apply(element);
                    merged.put(key, element);
                }

                Map<Object, Plugin> added = new LinkedHashMap<>();

                for (Plugin element : src) {
                    Object key = getPluginKey().apply(element);
                    Plugin existing = merged.get(key);

                    Object key = getPluginKey().apply(element);
                    master.put(key, element);
                }

                Map<Object, List<Plugin>> predecessors = new LinkedHashMap<>();
                List<Plugin> pending = new ArrayList<>();
                for (Plugin element : src) {
                    Object key = getPluginKey().apply(element);

                for (Plugin element : src) {
                    Object key = getPluginKey().apply(element);
                    managedPlugins.put(key, element);
                }

                List<Plugin> newPlugins = new ArrayList<>();
                for (Plugin element : target.getPlugins()) {
                    Object key = getPluginKey().apply(element);
                    Plugin managedPlugin = managedPlugins.get(key);

                        Object key = getPluginKey().apply(plugin);

                        master.put(key, plugin);
                    }
                }

                Map<Object, List<Plugin>> predecessors = new LinkedHashMap<>();
                List<Plugin> pending = new ArrayList<>();
                for (Plugin element : tgt) {
                    Object key = getPluginKey().apply(element);

        pluginKey = plugin.getKey();
    }

    public PluginLoaderException(ReportPlugin plugin, String message) {
        super(message);
        pluginKey = plugin.getKey();
    }

    public String getPluginKey() {
        return pluginKey;
    }

        }
    }

    @Override
    protected KeyComputer<Dependency> getDependencyKey() {
        return Dependency::getManagementKey;
    }

    @Override
    protected KeyComputer<Plugin> getPluginKey() {
        return Plugin::getKey;
    }

    @Override
    protected KeyComputer<PluginExecution> getPluginExecutionKey() {
        return PluginExecution::getId;
    }

    @Override