RepositorySystem repoSystem,
            EventSpyDispatcher eventSpyDispatcher,
            RuntimeInformation runtimeInformation,
            TypeRegistry typeRegistry,
            VersionScheme versionScheme,
            Map<String, RepositorySystemSessionExtender> sessionExtenders) {
        this.repoSystem = repoSystem;
        this.eventSpyDispatcher = eventSpyDispatcher;
        this.runtimeInformation = runtimeInformation;

        // we carry over only "resident" things
        shadow.containerCapsule = mavenContext.containerCapsule;
        shadow.lookup = mavenContext.lookup;
        shadow.eventSpyDispatcher = mavenContext.eventSpyDispatcher;
        shadow.simplexTransferListener = mavenContext.simplexTransferListener;
        shadow.maven = mavenContext.maven;

        return shadow;
    }

        context.eventSpyDispatcher.onEvent(request);

        MavenExecutionResult result;
        try {
            result = context.maven.execute(request);
            context.eventSpyDispatcher.onEvent(result);
        } finally {
            context.eventSpyDispatcher.close();
        }

        if (result.hasExceptions()) {

            cliRequest.request.setRepositoryCache(new DefaultRepositoryCache());
        }

        eventSpyDispatcher.onEvent(request);

        MavenExecutionResult result = maven.execute(request);

        eventSpyDispatcher.onEvent(result);

        eventSpyDispatcher.close();

        if (result.hasExceptions()) {
            ExceptionHandler handler = new DefaultExceptionHandler();

        }
        context.protoSession = protoSession;
    }

    protected void lookup(C context) throws Exception {
        if (context.eventSpyDispatcher == null) {
            context.eventSpyDispatcher = context.lookup.lookup(EventSpyDispatcher.class);
        }
    }

    protected void init(C context) throws Exception {
        Map<String, Object> data = new HashMap<>();

    }

    /**
     * Verifies MNG-6558
     */
    @Test
    void testToolchainsBuildingEvents() throws Exception {
        final EventSpyDispatcher eventSpyDispatcherMock = mock(EventSpyDispatcher.class);
        MavenCli customizedMavenCli = new MavenCli() {
            @Override
            protected void customizeContainer(PlexusContainer container) {