private final List<MojoExecutionListener> listeners = new CopyOnWriteArrayList<>();

    @Override
    public void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException {
        for (MojoExecutionListener listener : listeners) {
            listener.beforeMojoExecution(event);
        }
    }

    @Override

                "beforeMojoExecution project-basic:default-resources", //
                "afterMojoExecutionSuccess project-basic:default-resources", //
                "beforeMojoExecution project-basic:default-compile", //
                "afterMojoExecutionSuccess project-basic:default-compile", //
                "beforeMojoExecution project-basic:default-testResources", //

        this.listeners = listeners; // NB this is live injected collection
    }

    @Override
    public void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException {
        for (MojoExecutionListener listener : listeners) {
            listener.beforeMojoExecution(event);
        }
    }

    @Override

        return MojoExecutionScope.<T>seededKeySupplier(clazz)::get;
    }

    @Override
    public void beforeMojoExecution(MojoExecutionEvent event) throws MojoExecutionException {
        for (WeakMojoExecutionListener provided : getProvidedListeners()) {
            provided.beforeMojoExecution(event);
        }
    }

    @Override

            try {
                MojoExecutionEvent mojoExecutionEvent = new MojoExecutionEvent(session, project, mojoExecution, mojo);
                mojoExecutionListener.beforeMojoExecution(mojoExecutionEvent);
                mojo.execute();
                mojoExecutionListener.afterMojoExecutionSuccess(mojoExecutionEvent);
            } catch (ClassCastException | MavenException e) {