defaultLegacySupport.setSession(m1);

        MyRunnable myRunnable = new MyRunnable();
        Thread thread = new Thread(myRunnable);
        thread.start();

        MavenSession m2 = new MavenSession(null, null, mavenExecutionRequest, null);
        defaultLegacySupport.setSession(m2);
        latch.countDown();
        thread.join();
        assertNull(myRunnable.getSession());
    }

        }
    }

    @Override
    public MavenSession getSession() {
        AtomicReference<MavenSession> currentSession = DefaultLegacySupport.SESSION.get();
        return currentSession != null ? currentSession.get() : null;
    }

    @Override
    public RepositorySystemSession getRepositorySession() {
        MavenSession session = getSession();
        return (session != null) ? session.getRepositorySession() : null;

     *
     * @param session The currently active session, may be {@code null}.
     */
    void setSession(MavenSession session);

    /**
     * Gets the currently active session.
     *
     * @return The currently active session or {@code null} if none.
     */
    MavenSession getSession();

    /**
     * Gets the currently active repository session.
     *

        MavenSession session = new MavenSession(
                getContainer(), repoSession, new DefaultMavenExecutionRequest(), new DefaultMavenExecutionResult());
        session.setSession(defaultSessionFactory.newSession(session));

        DefaultSession s = new DefaultSession(session, null, null, null, null, null);
        SessionScope scope = container.lookup(SessionScope.class);
        scope.enter();

        final Parent parent = new Parent();
        parent.setGroupId("org.apache");
        parent.setArtifactId("apache");
        parent.setVersion("0");

        UnresolvableModelException e = assertThrows(
                UnresolvableModelException.class,
                () -> newModelResolver().resolveModel(parent),

        final Parent parent = new Parent();
        parent.setGroupId("ut.simple");
        parent.setArtifactId("artifact");
        parent.setVersion("0");

        UnresolvableModelException e = assertThrows(
                UnresolvableModelException.class,
                () -> newModelResolver().resolveModel(parent),

    }

    @Test
    @DisplayName("getSession(): may return null and should be observed as such")
    void getSession_returnsNull() {
        // Arrange
        when(handle.getSession()).thenReturn(null);

        // Act
        SmbSession result = handle.getSession();

        // Assert
        assertNull(result);
        verify(handle).getSession();
    }

    @Test

                messages.addErrorsLoginError(GLOBAL);
            }, validationErrorLambda);
        });
    }

    private OptionalThing<HttpSession> getSession() {
        final HttpSession session = request.getSession(false);
        if (session != null) {
            return OptionalEntity.of(session);
        }
        return OptionalEntity.empty();
    }

        model.setArtifactId("test-artifact");
        model.setVersion("1.0.0");

        Build build = new Build();
        model.setBuild(build);

        // Add a test plugin
        Plugin originalPlugin = new Plugin();
        originalPlugin.setGroupId("org.apache.maven.plugins");
        originalPlugin.setArtifactId("maven-compiler-plugin");
        originalPlugin.setVersion("3.8.1");
        build.addPlugin(originalPlugin);

                    plugin.setVersion(versions.get(plugin.getKey()));
                    if (plugin.getVersion() == null) {
                        PluginVersionRequest request = new DefaultPluginVersionRequest(
                                plugin, session.getRepositorySession(), project.getRemotePluginRepositories());
                        plugin.setVersion(pluginVersionResolver.resolve(request).getVersion());