return method.getGenericParameterTypes()[0];
  }

  @SuppressWarnings({"rawtypes", "unchecked"})
  private static Type getSupertype(Type type, Class<?> superclass) {
    Class rawType = superclass;
    return TypeToken.of(type).getSupertype(rawType).getType();
  }

  private static Type getSubtype(Type type, Class<?> subclass) {
    return TypeToken.of(type).getSubtype(subclass).getType();

      <key>package</key>
      <value>org.apache.maven.model</value>
    </default>
  </defaults>
  <classes>
    <class rootElement="true" xml.tagName="project">
      <name>Model</name>
      <superClass>ModelBase</superClass>
      <description>
        The {@code &lt;project>} element is the root of the descriptor.
        The following table lists all of the possible child elements.
      </description>

      // UnsupportedOperationException is what we see on Android.
      return;
    }
    fail("Should have thrown");
  }

  @AndroidIncompatible // TODO(cpovirk): java.lang.IllegalAccessError: superclass not accessible
  public void testSuccessfulForwarding() {
    ForwardingObjectTester.testForwardingObject(ForwardToDelegate.class);
  }

    return method.getGenericParameterTypes()[0];
  }

  @SuppressWarnings({"rawtypes", "unchecked"})
  private static Type getSupertype(Type type, Class<?> superclass) {
    Class rawType = superclass;
    return TypeToken.of(type).getSupertype(rawType).getType();
  }

  private static Type getSubtype(Type type, Class<?> subclass) {
    return TypeToken.of(type).getSubtype(subclass).getType();

      // UnsupportedOperationException is what we see on Android.
      return;
    }
    fail("Should have thrown");
  }

  @AndroidIncompatible // TODO(cpovirk): java.lang.IllegalAccessError: superclass not accessible
  public void testSuccessfulForwarding() {
    ForwardingObjectTester.testForwardingObject(ForwardToDelegate.class);
  }

import java.util.function.IntToDoubleFunction;
import java.util.function.Supplier;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Abstract superclass for tests that hash flooding a collection has controlled worst-case
 * performance.
 */
@GwtIncompatible
@NullUnmarked
public abstract class AbstractHashFloodingTest<T> extends TestCase {

 */
@GwtCompatible
@NullMarked
public class MapsTransformValuesUnmodifiableIteratorTest extends MapInterfaceTest<String, String> {
  // TODO(jlevy): Move shared code of this class and MapsTransformValuesTest
  // to a superclass.

  public MapsTransformValuesUnmodifiableIteratorTest() {
    super(true, true, false /*supportsPut*/, true, true, false);
  }

  private static class UnmodifiableIteratorMap<K, V> extends ForwardingMap<K, V> {

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Superclass for tests for {@link Maps#transformValues} overloads.
 *
 * @author Isaac Shum
 */
@GwtCompatible
@NullMarked
abstract class AbstractMapsTransformValuesTest extends MapInterfaceTest<String, String> {

 */
@GwtCompatible
@NullMarked
public class MapsTransformValuesUnmodifiableIteratorTest extends MapInterfaceTest<String, String> {
  // TODO(jlevy): Move shared code of this class and MapsTransformValuesTest
  // to a superclass.

  public MapsTransformValuesUnmodifiableIteratorTest() {
    super(true, true, false /*supportsPut*/, true, true, false);
  }

  private static class UnmodifiableIteratorMap<K, V> extends ForwardingMap<K, V> {

            + "The correctness of CycleDetectingReentrantReadWriteLock depends on "
            + "the fact that the shadowed ReadLock and WriteLock are never used or "
            + "exposed by the superclass implementation. If the implementation has "
            + "changed, the code must be re-inspected to ensure that the "
            + "assumption is still valid.",
        24,