*
     * @param artifact The artifact whose available versions should be determined, must not be {@code null}.
     * @return The available versions of the artifact or an empty list if none, never {@code null}.
     * @since 3.0-alpha-3
     */
    List<String> findVersions(Artifact artifact);

    /**

                    false, // --all
                    false, // --infer
                    false, // --fix-model
                    false, // --plugins
                    null // --model
                    ));

            // Should apply default behavior when all options are explicitly disabled
            assertTrue(
                    strategy.isApplicable(context),

            File[] psOutputs = rootProjectDir.listFiles((__, name) -> name.endsWith(".psoutput") || name.endsWith(".threaddump"));
            if (psOutputs != null) {
                Stream.of(psOutputs).forEach(File::delete);
            }
        }
    }

    static void pkill(String pid) {

    public Maven maven;

    @Override
    public void doCloseContainer() throws Exception {
        try {
            super.doCloseContainer();
        } finally {
            maven = null;
        }
    }

    @Override
    public MavenOptions options() {
        return (MavenOptions) super.options();
    }

    private List<SettingsProblem> problems;

    DefaultSettingsBuildingResult(Settings effectiveSettings, List<SettingsProblem> problems) {
        this.effectiveSettings = effectiveSettings;
        this.problems = (problems != null) ? problems : new ArrayList<>();
    }

    @Override
    public Settings getEffectiveSettings() {
        return effectiveSettings;
    }

    @Override
    public List<SettingsProblem> getProblems() {

class PrerequisitesTest {

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

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

        new Prerequisites().equals(new Prerequisites());
    }

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

 *
 */
class SiteTest {

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

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

        new Site().equals(new Site());
    }

    @Test
    void testEqualsIdentity() {
        Site thing = new Site();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);

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

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

        new ActivationProperty().equals(new ActivationProperty());
    }

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

 *
 */
class DeveloperTest {

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

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

        new Developer().equals(new Developer());
    }

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

 *
 */
class ParentTest {

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

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

        new Parent().equals(new Parent());
    }

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