* }</pre>
   *
   * <p>This is unfortunate, but should come up only very rarely.
   */
  public static <E extends @Nullable Object> SetView<E> intersection(
      final Set<E> set1, final Set<?> set2) {
    checkNotNull(set1, "set1");
    checkNotNull(set2, "set2");

    return new SetView<E>() {
      @Override
      public UnmodifiableIterator<E> iterator() {
        return new AbstractIterator<E>() {

public final boolean contains(Object); public final scala.collection.Iterator iterator(); public final void foreach(scala.Function1); public void Set$Set3(Object, Object, Object); } scala/collection/immutable/Set$Set2.class package scala.collection.immutable; public final synchronized class Set$Set2 extends scala.collection.AbstractSet implements scala.Serializable, scala.collection.GenSet { private final Object elem1; private final Object elem2; public final scala.collection.generic.GenericCompanion...