t.Error(err)
	}

	if !reflect.DeepEqual(got3, []Level2{got, got2}) {
		t.Errorf("got %s; want %s", toJSONString(got3), toJSONString([]Level2{got, got2}))
	}

	var got4 []Level2
	if err := DB.Preload("Level1s", "value IN (?)", []string{"zh", "ru"}).Find(&got4, "value IN (?)", []string{"Bob", "Tom"}).Error; err != nil {
		t.Error(err)
	}

    assertEquals(-1, Iterables.indexOf(list, equalTo("jack")));
  }

  public void testIndexOf_withDuplicates() {
    List<String> list = Lists.newArrayList("mary", "bob", "bob", "bob", "sam");
    assertEquals(0, Iterables.indexOf(list, equalTo("mary")));
    assertEquals(1, Iterables.indexOf(list, equalTo("bob")));
    assertEquals(4, Iterables.indexOf(list, equalTo("sam")));

  }

  public void testOf_null() {
    assertThrows(NullPointerException.class, () -> Optional.of(null));
  }

  public void testFromNullable() {
    Optional<String> optionalName = Optional.fromNullable("bob");
    assertEquals("bob", optionalName.get());
  }

  public void testFromNullable_null() {
    // not promised by spec, but easier to test
    assertSame(Optional.absent(), Optional.fromNullable(null));
  }

      val originalRequest = chain.request()
      val originalResponse =
        chain.proceed(
          originalRequest.newBuilder()
            .addHeader("Request-Interceptor", "Bob") // 2. Added second.
            .build(),
        )
      originalResponse.newBuilder()
        .addHeader("Response-Interceptor", "Cupcake") // 3. Added third.
        .build()
    }
    val request =

   * 1-bit characteristics.
   *
   * <p>There is more general code provided by Bob Jenkins to test arbitrarily sized characteristics
   * using the magic of gaussian elimination: http://burtleburtle.net/bob/crypto/findingc.html.
   */
  static void checkNo2BitCharacteristics(HashFunction function) {
    Random rand = new Random(0);
    int keyBits = 32;

                    return new SampleElements<>(
                        mapEntry("a", (Collection<String>) ImmutableSortedSet.of("alex")),
                        mapEntry("b", (Collection<String>) ImmutableSortedSet.of("bob", "bagel")),
                        mapEntry("c", (Collection<String>) ImmutableSortedSet.of("carl", "carol")),
                        mapEntry("d", (Collection<String>) ImmutableSortedSet.of("david", "dead")),

 *         }
 *       }
 *     };
 *     references.add(reference);
 *     return myServer;
 *   }
 *
 *   public void close() {
 *     serverSocket.close();
 *   }
 * }
 * }</pre>
 *
 * @author Bob Lee
 * @since 2.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public class FinalizableReferenceQueue implements Closeable {
  /*

 * target a lower API level. In the meantime, if you have support for method references you can use
 * an equivalence as a bi-predicate like this: {@code myEquivalence::equivalent}.
 *
 * @author Bob Lee
 * @author Ben Yu
 * @author Gregory Kick
 * @since 10.0 (<a href="https://github.com/google/guava/wiki/Compatibility">mostly
 *     source-compatible</a> since 4.0)
 */
@GwtCompatible