}

  @AndroidIncompatible // TODO(cpovirk): ClassNotFoundException... ClassSanityTesterTest$AnInterface
  public void testInterfaceProxySerializable() throws Exception {
    SerializableTester.reserializeAndAssert(tester.instantiate(HasAnInterface.class));
  }

  public void testReturnValuesFromAnotherPackageIgnoredForNullTests() throws Exception {

import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.collect.testing.Helpers.testCompareToAndEquals;
import static com.google.common.testing.SerializableTester.reserializeAndAssert;
import static com.google.common.truth.Truth.assertThat;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;

import com.google.common.collect.Maps.ValueDifferenceImpl;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;
import com.google.common.testing.SerializableTester;
import java.io.IOException;
import java.io.StringReader;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;