"title": "Email",
                            "anyOf": [{"type": "string"}, {"type": "null"}],
                        },
                        "full_name": {
                            "title": "Full Name",
                            "anyOf": [{"type": "string"}, {"type": "null"}],
                        },
                        "disabled": {
                            "title": "Disabled",

                    Arguments.of(null, null, "4.1.0", false, "Should disable plugins when only --model-version is set"),
                    Arguments.of(false, null, null, false, "Should disable plugins when --all=false"),
                    Arguments.of(null, null, null, true, "Should enable plugins by default when no options specified"));
        }
    }

    @Nested
    @DisplayName(".mvn Directory Creation")

    volatile Exception exception;

    public BuildStep(String name, MavenProject project, Lifecycle.Phase phase) {
        this.name = Objects.requireNonNull(name, "name cannot be null");
        this.project = Objects.requireNonNull(project, "project cannot be null");
        this.phase = phase;
    }

    public boolean isCreated() {
        return status.get() == CREATED;
    }

    public boolean isDone() {

 */
class MailingListTest {

    @Test
    void testHashCodeNullSafe() {
        new MailingList().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new MailingList().equals(null));

        new MailingList().equals(new MailingList());
    }

    @Test
    void testEqualsIdentity() {
        MailingList thing = new MailingList();

                            + repository.getId() + " (" + repository.getUrl() + ")");
        }

        if (file == null) {
            // TODO throw something instead?
            return true;
        }

        Date lastCheckDate = readLastUpdated(metadata, repository, file);

        return (lastCheckDate == null) || policy.checkOutOfDate(lastCheckDate);
    }

/**
 * Assists in handling repository metadata.
 *
 */
@Deprecated
class MetadataUtils {

    public static Metadata cloneMetadata(Metadata src) {
        if (src == null) {
            return null;
        }
        return src.clone();
    }

            throws IOException, DomTripException {

        Element rootElement = parentPom.root();
        if (rootElement == null) {
            return;
        }

        // Find modules element
        Element modulesElement = rootElement.child(MODULES).orElse(null);
        if (modulesElement == null) {
            return;
        }

        // Process each module

         * expression from properties only.
         */
        if (value != null && type != null && !(value instanceof String) && !isTypeCompatible(type, value)) {
            value = null;
        }

        if (value == null) {
            // The CLI should win for defining properties

            if (properties != null) {
                // We will attempt to get nab a property as a way to specify a parameter

        result = 37 * result + getArtifactId().hashCode();
        result = 37 * result + getType().hashCode();
        if (getVersion() != null) {
            result = 37 * result + getVersion().hashCode();
        }
        result = 37 * result + (getClassifier() != null ? getClassifier().hashCode() : 0);

        return result;
    }

    /** {@inheritDoc} */
    @Override

interface ModelCacheTag<T> {

    /**
     * Gets the name of the tag.
     *
     * @return The name of the tag, must not be {@code null}.
     */
    String getName();

    /**
     * Gets the type of data associated with this tag.
     *
     * @return The type of data, must not be {@code null}.
     */
    Class<T> getType();

    /**