Element cleanPlugin = plugins.children("plugin")
                    .filter(p -> "maven-clean-plugin"
                            .equals(p.child("artifactId").orElse(null).textContent()))
                    .findFirst()
                    .orElse(null);
            assertNotNull(cleanPlugin);

            Element cleanExecutions = cleanPlugin.child("executions").orElse(null);
            Element preCleanExecution = cleanExecutions

            MavenProject resumingFromProject = projects.stream()
                    .filter(project -> projectSelector.isMatchingProject(project, selector, reactorDirectory))
                    .findFirst()
                    .orElseThrow(() -> new MavenExecutionException(
                            "Could not find project to resume reactor build from: " + selector + " vs "

   * will match, use {@link #tryFind} or {@link #find(Iterable, Predicate, Object)} instead.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.filter(predicate).findFirst().get()}
   *
   * @throws NoSuchElementException if no element in {@code iterable} matches the given predicate
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T find(

            List<MavenProject> projects, File reactorDirectory, String selector) {
        return projects.stream()
                .filter(project -> isMatchingProject(project, selector, reactorDirectory))
                .findFirst();
    }

    File getBaseDirectoryFromRequest(MavenExecutionRequest request) {
        return request.getBaseDirectory() != null ? new File(request.getBaseDirectory()) : null;
    }

    }

    @Override
    public PluginExecution getModel() {
        return delegate.getPlugin().getExecutions().stream()
                .filter(pe -> Objects.equals(pe.getId(), getExecutionId()))
                .findFirst()
                .map(org.apache.maven.model.PluginExecution::getDelegate)
                .orElse(null);
    }

    @Override
    public MojoDescriptor getDescriptor() {

 */
public class DosErrorTest {
    private static Optional<Integer> findNtStatus(int dosErrorCode) {
        return Arrays.stream(DosError.DOS_ERROR_CODES).filter(pair -> pair[0] == dosErrorCode).map(pair -> pair[1]).findFirst();
    }

    @Test
    @DisplayName("DOS_ERROR_CODES is non‑null and non‑empty")
    void testCodesArrayExistence() {
        assertNotNull(DosError.DOS_ERROR_CODES, "DOS_ERROR_CODES should be non‑null");

     */
    public ProjectSegment findByMavenProject(MavenProject mavenProject) {
        return items.stream()
                .filter(pb -> mavenProject.equals(pb.getProject()))
                .findFirst()
                .orElse(null);
    }

    @Override
    public Iterator<ProjectSegment> iterator() {
        return items.iterator();
    }

    public void closeAll() {

            Type type = lookup.lookupList(TypeProvider.class).stream()
                    .flatMap(p -> p.provides().stream())
                    .filter(t -> Objects.equals(id, t.id()))
                    .findFirst()
                    .orElse(null);
            if (type == null) {
                // Copy data as the ArtifactHandler is not immutable, but Type should be.

        return getProjectArtifacts(project)
                .filter(artifact ->
                        Objects.equals(requestedRepositoryConflictId, ArtifactIdUtils.toVersionlessId(artifact)))
                .findFirst()
                .orElse(null);
    }

    /**
     * Determines whether the specified artifact refers to test classes.
     *
     * @param artifact The artifact to check, must not be {@code null}.

   * streams.
   *
   * <p>If the stream has nondeterministic order, this has equivalent semantics to {@link
   * Stream#findAny} (which you might as well use).
   *
   * @see Stream#findFirst()
   * @throws NullPointerException if the last element of the stream is null
   */
  /*
   * By declaring <T> instead of <T extends @Nullable Object>, we declare this method as requiring a