interfaceMap);
  }

  private interface Interface1 {}

  private interface Interface2 {}

  private interface Interface3<T> extends Iterable<T> {}

  private interface Interface12 extends Interface1, Interface2 {}

  private static class Class1 implements Interface1 {}

  private static final class NoInterface {}

    return Reflection.newProxy(List.class, new SubHandler2(delegate));
  }

  private static Object newProxyWithEqualsForInterfaces(Class<?>... interfaces) {
    return Proxy.newProxyInstance(
        AbstractInvocationHandlerTest.class.getClassLoader(),
        interfaces,
        new DelegatingInvocationHandlerWithEquals("a string"));
  }

  private static class DelegatingInvocationHandler extends AbstractInvocationHandler

  /**
   * A set containing none of the optional features of the {@link Iterator} or {@link ListIterator}
   * interfaces.
   */
  public static final Set<IteratorFeature> UNMODIFIABLE = emptySet();

  /**
   * A set containing all of the optional features of the {@link Iterator} and {@link ListIterator}
   * interfaces.
   */
  public static final Set<IteratorFeature> MODIFIABLE =

  /**
   * A set containing none of the optional features of the {@link Iterator} or {@link ListIterator}
   * interfaces.
   */
  public static final Set<IteratorFeature> UNMODIFIABLE = emptySet();

  /**
   * A set containing all of the optional features of the {@link Iterator} and {@link ListIterator}
   * interfaces.
   */
  public static final Set<IteratorFeature> MODIFIABLE =

      ImmutableSet<TypeToken<? super T>> result = interfaces;
      if (result == null) {
        return (interfaces =
            FluentIterable.from(allTypes).filter(TypeFilter.INTERFACE_ONLY).toSet());
      } else {
        return result;
      }
    }

    @Override
    public TypeSet interfaces() {
      return this;
    }

    @Override
    public Set<Class<? super T>> rawTypes() {

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

/**
 * Interfaces, utilities, and simple implementations of escapers and encoders. The primary type is
 * {@link Escaper}.
 *
 * <p>Additional escapers implementations are found in the applicable packages: {@link

 * the symmetry of {@code equals}. Custom definitions of equality are usually based on an interface,
 * such as {@code Set} or {@code List}, so that the implementation of {@code equals} can cast the
 * object being tested for equality to the custom interface. {@code ForwardingObject} implements no
 * such custom interfaces directly; they are implemented only in subclasses. Therefore, forwarding

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

/**
 * Basic utility libraries and interfaces.
 *
 * <p>This package is a part of the open-source <a href="https://github.com/google/guava">Guava</a>
 * library.
 *
 * <h2>Contents</h2>
 *
 * The classes in this package that are most commonly useful are:
 *

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Collection interfaces and implementations, and other utilities for collections. This package is a
 * part of the open-source <a href="https://github.com/google/guava">Guava</a> library.
 *
 * <p>The classes in this package include:
 *

import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Derived suite generators for Guava collection interfaces, split out of the suite builders so that
 * they are available to GWT.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public final class DerivedGoogleCollectionGenerators {