assertNull(negotiationAllNull.getRequest());
        assertNull(negotiationAllNull.getResponse());
        assertNull(negotiationAllNull.getRequestRaw());
        assertNull(negotiationAllNull.getResponseRaw());
    }

    @Test
    @DisplayName("getRequest should return the same request instance")
    void testGetRequest() {
        // Verify getRequest returns the exact same instance

    }

    @Test
    void testNoModels() {
        MavenSession session = mock(MavenSession.class);
        MavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest();
        when(session.getRequest()).thenReturn(executionRequest);

        List<Toolchain> toolchains = toolchainManager.getToolchains(session, "unknown", null);

        assertEquals(0, toolchains.size());
    }

    @Test

            Relocation relocation = distMgmt.getRelocation();
            if (relocation != null) {
                Artifact result = new RelocatedArtifact(
                        artifactDescriptorResult.getRequest().getArtifact(),
                        relocation.getGroupId(),
                        relocation.getArtifactId(),
                        null,
                        null,

    public int getDegreeOfConcurrency() {
        return getMavenSession().getRequest().getDegreeOfConcurrency();
    }

    @Nonnull
    @Override
    public Instant getStartTime() {
        return getMavenSession().getRequest().getStartInstant();
    }

    @Override
    public Path getRootDirectory() {
        return getMavenSession().getRequest().getRootDirectory();
    }

    @Override

        activeProjects =
                trimSelectedProjects(activeProjects, allSortedProjects, projectDependencyGraph, session.getRequest());
        activeProjects = trimResumedProjects(activeProjects, projectDependencyGraph, session.getRequest());
        activeProjects = trimExcludedProjects(activeProjects, projectDependencyGraph, session.getRequest());

        MavenSession mavenSession = createSession(container, repo, executionProperties);
        mavenSession.setCurrentProject(project);
        mavenSession.getRequest().setRootDirectory(rootDirectory);
        mavenSession.getRequest().setTopDirectory(rootDirectory);

        DefaultSession session = new DefaultSession(

                .setOffline(session.isOffline())
                .setForceUpdate(session.getRequest().isUpdateSnapshots());
        request.setServers(session.getRequest().getServers());
        request.setMirrors(session.getRequest().getMirrors());
        request.setProxies(session.getRequest().getProxies());

        for (MavenProject project : projects) {

    public void testUri() throws Exception {
        Path path = Paths.get("").toAbsolutePath();

        MavenSession mavenSession = createMavenSession(null);
        mavenSession.getRequest().setTopDirectory(path);
        mavenSession.getRequest().setRootDirectory(path);

        Object result = new PluginParameterExpressionEvaluator(mavenSession, new MojoExecution(null))
                .evaluate("${session.rootDirectory.uri}");

        return services;
    }

    @Test
    void testTrivialConsumer() throws Exception {
        InternalMavenSession.from(InternalSession.from(session))
                .getMavenSession()
                .getRequest()
                .setRootDirectory(Paths.get("src/test/resources/consumer/trivial"));

        Path file = Paths.get("src/test/resources/consumer/trivial/child/pom.xml");

            String builderId = session.getRequest().getBuilderId();
            Builder builder = builders.get(builderId);
            if (builder == null) {
                throw new BuilderNotFoundException(
                        String.format("The builder requested using id = %s cannot be" + " found", builderId));
            }

            int degreeOfConcurrency = session.getRequest().getDegreeOfConcurrency();