}

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

    @SuppressWarnings("unchecked") // safe contravariant cast
    <T extends @Nullable Object> Predicate<T> withNarrowedType() {
      return (Predicate<T>) this;
    }
  }

  /**
   * @see Predicates#instanceOf(Class)
   */
  @GwtIncompatible // Class.isInstance

      break;
    }
    expectUnchanged();
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getContainsEntryWithIncomparableKeyMethod() {
    return getMethod(MapEntrySetTester.class, "testContainsEntryWithIncomparableKey");
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getContainsEntryWithIncomparableValueMethod() {

    return getDeclaringClassOrObjectForJ2cl(map.values().iterator().next());
  }

  /** Returns the associated key type. */
  @GwtIncompatible
  public Class<K> keyType() {
    return keyTypeOrObjectUnderJ2cl;
  }

  /** Returns the associated value type. */
  @GwtIncompatible
  public Class<V> valueType() {
    return valueTypeOrObjectUnderJ2cl;
  }

  @Override
  K checkKey(K key) {

      break;
    }
    expectUnchanged();
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getContainsEntryWithIncomparableKeyMethod() {
    return getMethod(MapEntrySetTester.class, "testContainsEntryWithIncomparableKey");
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getContainsEntryWithIncomparableValueMethod() {

    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  @GwtIncompatible // NavigableSet
  static <E extends @Nullable Object> NavigableSet<E> navigableSet(
      NavigableSet<E> navigableSet, @Nullable Object mutex) {
    return new SynchronizedNavigableSet<>(navigableSet, mutex);
  }

  @GwtIncompatible // NavigableSet

    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  @GwtIncompatible // NavigableSet
  static <E extends @Nullable Object> NavigableSet<E> navigableSet(
      NavigableSet<E> navigableSet, @Nullable Object mutex) {
    return new SynchronizedNavigableSet<>(navigableSet, mutex);
  }

  @GwtIncompatible // NavigableSet

    // We use this somewhat weird pattern with an enum for each assertion we want to make as a way
    // of dealing with the fact that one of the assertions is @GwtIncompatible but we don't want to
    // have to have duplicate @GwtIncompatible test methods just to make that assertion.
    for (AssertFailsToDecodeStrategy strategy : AssertFailsToDecodeStrategy.values()) {

import static java.util.Collections.singleton;
import static org.junit.Assert.assertThrows;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.ImmutableSet.Builder;
import com.google.common.collect.testing.ListTestSuiteBuilder;

  }

  @Override
  boolean isPartialView() {
    return true;
  }

  @Override
  @J2ktIncompatible
  @GwtIncompatible
    Object writeReplace() {
    return new KeySetSerializedForm<K>(map);
  }

  @GwtIncompatible
  @J2ktIncompatible
  private static final class KeySetSerializedForm<K> implements Serializable {
    final ImmutableMap<K, ?> map;

    @SuppressWarnings("RedundantOverride")
    @Override
    @GwtIncompatible
    @J2ktIncompatible
        Object writeReplace() {
      return super.writeReplace();
    }
  }

  @Override
  Entry<E> getEntry(int index) {
    return contents.getEntry(index);
  }

  @GwtIncompatible
  private static class SerializedForm implements Serializable {
    final Object[] elements;