return Stream.of(Arguments.of((String) null), Arguments.of(""), Arguments.of("unexpected downgrade"));
    }

    @Test
    @DisplayName("Default ctor: null message/cause; toString is class name; type hierarchy")
    void defaultConstructor_hasNullMessageAndCause_andTypeHierarchy() {
        // Arrange & Act
        SMBProtocolDowngradeException ex = new SMBProtocolDowngradeException();

  private interface HierarchyFixtureInterface {
    // Exists only for hierarchy mapping; no members.
  }

  private interface HierarchyFixtureSubinterface extends HierarchyFixtureInterface {
    // Exists only for hierarchy mapping; no members.
  }

  private static class HierarchyFixtureParent implements HierarchyFixtureSubinterface {
    // Exists only for hierarchy mapping; no members.
  }

  private interface HierarchyFixtureInterface {
    // Exists only for hierarchy mapping; no members.
  }

  private interface HierarchyFixtureSubinterface extends HierarchyFixtureInterface {
    // Exists only for hierarchy mapping; no members.
  }

  private static class HierarchyFixtureParent implements HierarchyFixtureSubinterface {
    // Exists only for hierarchy mapping; no members.
  }

    class SerializationTests {

        @Test
        @DisplayName("Should maintain exception hierarchy")
        void testExceptionHierarchy() {
            TransportException exception = new TransportException("Test");

            // Verify the exception hierarchy
            assertTrue(exception instanceof IOException);
            assertTrue(exception instanceof Exception);

        long lastModified = conn.getLastModified();
        assertEquals(lastModified, date);
    }

    /**
     * Helper method to get private field value using reflection.
     * Searches the class hierarchy to find the field.
     */
    private Object getField(Object obj, String fieldName) throws Exception {
        Class<?> clazz = obj.getClass();
        while (clazz != null) {
            try {

     *
     * @return The parent directory of this SMB resource or
     *         <code>smb://</code> if the resource refers to the root of the URL
     *         hierarchy which incidentally is also <code>smb://</code>.
     */
    String getParent();

    /**
     * Returns the full uncanonicalized URL of this SMB resource. An

            method.setAccessible(true); // Required to invoke protected method
            assertEquals(443, method.invoke(testHandler));
        }

        @Test
        @DisplayName("Should maintain inheritance hierarchy")
        void testInheritanceHierarchy() {
            // When
            Class<?> superclass = Handler.class.getSuperclass();

            // Then
            assertEquals(jcifs.http.Handler.class, superclass);

import static eu.maveniverse.domtrip.maven.MavenPomElements.Files.POM_XML;

/**
 * Discovers and loads Maven POM files in a Maven project hierarchy.
 *
 * <p>This class recursively discovers all POM files in a Maven project hierarchy
 * and loads them as domtrip Documents. Individual strategies can create domtrip Editors
 * from these Documents as needed for superior formatting preservation.
 */

import java.util.NoSuchElementException;

import org.codelibs.core.exception.ClUnsupportedOperationException;
import org.codelibs.core.message.MessageFormatter;

/**
 * An {@link Iterator} that iterates through the inheritance hierarchy of a class towards its superclasses.
 * <p>
 * Usage example:
 * </p>
 *
 * <pre>
 * import static org.codelibs.core.lang.ClassIterator.*;
 *
 * Class&lt;?&gt; someClass = ...;

        if (superClassName != null && !superClassName.equals("org.gradle.api.DefaultTask")) {
            // Assume this is a class and so has implemented all properties and methods somewhere in the superclass hierarchy
            ClassDoc superClass = model.getClassDoc(superClassName);
            classDoc.setSuperClass(superClass);
            superClass.addSubClass(classDoc);
        }