tester.testConstructors(PatternFilenameFilter.class, Visibility.PACKAGE);
    tester.testStaticMethods(PatternFilenameFilter.class, Visibility.PACKAGE); // currently none

    // The reason that we skip this method is discussed in a comment on the method.
    tester.ignore(PatternFilenameFilter.class.getMethod("accept", File.class, String.class));

 *
 * @author koichik
 * @see ClassHandler
 * @see TraversalUtil
 */
public abstract class ClassTraversalUtil {

    /**
     * Do not instantiate.
     */
    protected ClassTraversalUtil() {
    }

    /** The file extension for class files. */
    protected static final String CLASS_SUFFIX = ".class";

    /** The file extension for WAR files. */

 */
public class ElasticsearchTestBasePlugin implements Plugin<Project> {

    @Override
    public void apply(Project project) {
        project.getPluginManager().apply(GradleTestPolicySetupPlugin.class);
        // for fips mode check
        project.getRootProject().getPluginManager().apply(GlobalBuildInfoPlugin.class);
        // Default test task should run only unit tests

 */
package gradlebuild.binarycompatibility

import org.junit.Test


class KotlinNullabilityChangesTest : AbstractBinaryCompatibilityTest() {

    @Test
    fun `from non-null returning to null returning is breaking`() {

        checkNotBinaryCompatibleKotlin(
            v1 = """
                class Source {
                    val someVal: String = "some"
                    var someVar: String = "some"

@GwtIncompatible
@J2ktIncompatible
@NullMarked
abstract class DummyProxy {

  /**
   * Returns a new proxy for {@code interfaceType}. Proxies of the same interface are equal to each
   * other if the {@link DummyProxy} instance that created the proxies are equal.
   */
  final <T> T newProxy(TypeToken<T> interfaceType) {
    Set<Class<?>> interfaceClasses = new LinkedHashSet<>();

<ol class="breadcrumb float-sm-right">
	<c:if test="${param.menuCategoryType == 'system'}">
		<li class="breadcrumb-item"><la:message key="labels.menu_system" /></li>
	</c:if>
	<c:if test="${param.menuCategoryType == 'crawl'}">
		<li class="breadcrumb-item"><la:message key="labels.menu_crawl" /></li>
	</c:if>
	<c:if test="${param.menuCategoryType == 'user'}">

        ComponentUtil.register(new FastMockIndexUpdateCallback(), IndexUpdateCallback.class.getCanonicalName());
        ComponentUtil.register(new FastMockDataStoreFactory(), "dataStoreFactory");
        ComponentUtil.register(new FastMockFailureUrlService(), FailureUrlService.class.getCanonicalName());
        ComponentUtil.register(new FastMockSearchEngineClient(), "searchEngineClient");

                return (T) new DefaultVersionRangeResolver(repositorySystem);
            } else if (clazz == ArtifactResolver.class) {
                return (T) new DefaultArtifactResolver();
            } else if (clazz == ArtifactManager.class) {
                return (T) new DefaultArtifactManager(this);
            } else if (clazz == RepositoryFactory.class) {

    Integer n = null;
    assertThrows(NullPointerException.class, () -> ImmutableSortedMap.of(n, 1));

    assertThrows(NullPointerException.class, () -> ImmutableSortedMap.of("one", 1, null, 2));
  }

  public void testOfNullValue() {
    assertThrows(NullPointerException.class, () -> ImmutableSortedMap.of("one", null));

    assertThrows(NullPointerException.class, () -> ImmutableSortedMap.of("one", 1, "two", null));
  }

                return (T) new DefaultVersionRangeResolver(repositorySystem);
            } else if (clazz == ArtifactResolver.class) {
                return (T) new DefaultArtifactResolver();
            } else if (clazz == ArtifactManager.class) {
                return (T) new DefaultArtifactManager(this);
            } else if (clazz == RepositoryFactory.class) {