@Override
    public void beforeTask(final Closure closure) {
        notifyListenerRegistration("TaskExecutionGraph.beforeTask", closure);
        taskListeners.add(new ClosureBackedMethodInvocationDispatch("beforeExecute", closure));
    }

    @Override
    public void beforeTask(final Action<Task> action) {
        notifyListenerRegistration("TaskExecutionGraph.beforeTask", action);

    @Override
    public void buildFinished(Closure closure) {
        notifyListenerRegistration("Gradle.buildFinished", closure);
        registerBuildListener("buildFinished", closure);
    }

    @SuppressWarnings("deprecation")
    @Override
    public void buildFinished(Action<? super BuildResult> action) {
        notifyListenerRegistration("Gradle.buildFinished", action);