*         {@code null}.
     */
    String getModelId();

    /**
     * Gets the exception that caused this problem (if any).
     *
     * @return The exception that caused this problem or {@code null} if not applicable.
     */
    Exception getException();

    /**
     * Gets the message that describes this problem.
     *

            @Throws(Exception::class)
            public
            override fun doExecute(bufferedWriter: BufferedWriter) {
                val packages = Implementation(excludes.get(), includes.get()).collectPackages(classpath.files.map(File::toPath))
                packages.dump(false, object : ErroringAction<String>() {
                    @Throws(Exception::class)

        String message;

        if (mojoExecution != null) {
            message = "Execution " + mojoExecution.getExecutionId() + " of goal "
                    + mojoExecution.getMojoDescriptor().getId() + " failed";
        } else {
            message = "Mojo execution failed";
        }

        if (cause != null && cause.getMessage() != null && !cause.getMessage().isEmpty()) {

import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;

@Deprecated
class MavenPropertiesLoaderTest {

    @Test
    void testIncludes() throws Exception {
        FileSystem fs = Jimfs.newFileSystem(Configuration.unix());

        Path mavenHome = fs.getPath("/maven");
        Files.createDirectories(mavenHome);
        Path mavenConf = mavenHome.resolve("conf");

   * most once unless the underlying {@code get()} throws an exception. The supplier's serialized
   * form does not contain the cached value, which will be recalculated when {@code get()} is called
   * on the deserialized instance.
   *
   * <p>When the underlying delegate throws an exception then this memoizing supplier will keep
   * delegating calls until it returns valid data.
   *

            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path userHome)
            throws Exception {
        invoke(cwd, userHome, List.of("verify"), List.of());
    }

    @Disabled("Enable it when fully moved to NIO2 with Path/Filesystem (ie MavenExecutionRequest)")
    @Test
    void jimFs() throws Exception {
        try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {

                .let(transform)
        }

    override fun close() {
        val errors = mutableListOf<Exception>()
        openKotlinCompilationUnitsByRoot.values.forEach { unit ->
            try {
                unit.close()
            } catch (ex: Exception) {
                errors.add(ex)
            }
        }
        openJavaCompilationUnitsByFile.clear()

    @BeforeEach
    @Override
    public void setUp() throws Exception {
        super.setUp();
        projectArtifact = createLocalArtifact("project", "3.0");
    }

    @Override
    protected String component() {
        return "resolver";
    }

    @Test
    void testMNG4738() throws Exception {
        Artifact g = createLocalArtifact("g", "1.0");
        createLocalArtifact("h", "1.0");

            executor.execute(session, reactorContext, taskSegments);

        } catch (Exception e) {
            session.getResult().addException(e);
        } finally {
            eventCatapult.fire(ExecutionEvent.Type.SessionEnded, session, null);
        }
    }

    public List<TaskSegment> calculateTaskSegments(MavenSession session) throws Exception {

        MavenProject rootProject = session.getTopLevelProject();

 *
 */
@Deprecated
class FileModelSourceTest {

    /**
     * Test of equals method, of class FileModelSource.
     */
    @Test
    void testEquals() throws Exception {
        File tempFile = createTempFile("pomTest");
        FileModelSource instance = new FileModelSource(tempFile);

        assertFalse(instance.equals(null), "Expected " + instance + " to not equal " + null);