* Returns a predicate that returns the result of {@link File#isFile} on input files.
   *
   * @since 15.0
   */
  public static Predicate<File> isFile() {
    return FilePredicate.IS_FILE;
  }

  private enum FilePredicate implements Predicate<File> {
    IS_DIRECTORY {
      @Override
      public boolean apply(File file) {
        return file.isDirectory();
      }

      @Override

          queueIterator.remove();
        }
      }
      assertThat(remaining).isEqualTo(0);
      assertIntact(queue);
      assertThat(queue).containsExactlyElementsIn(elements);
    }
  }

  private enum Element {
    ONE,
    TWO,
    THREE,
    FOUR,
    FIVE;
  }

  public void testRandomAddsAndRemoves_duplicateElements() {
    Random random = new Random(0);

          protected void verify(List<Integer> elements) {
            assertEquals(new HashSet<>(elements), multimap.get("foo"));
          }
        };

    tester.test();
  }

  private enum Color {
    BLUE,
    RED,
    YELLOW,
    GREEN
  }

  private abstract static class CountingSupplier<E> implements Supplier<E>, Serializable {
    int count;

    abstract E getImpl();

    this.header = new AvlNode<>();
    successor(header, header);
    this.rootReference = new Reference<>();
  }

  /** A function which can be summed across a subtree. */
  private enum Aggregate {
    SIZE {
      @Override
      int nodeAggregate(AvlNode<?> node) {
        return node.elemCount;
      }

      @Override
      long treeAggregate(@Nullable AvlNode<?> root) {

# CL 159120044 compress/gzip: allow stopping at end of first stream, Russ Cox <******@****.***>
pkg compress/gzip, method (*Reader) Multistream(bool)

# CL 138800043 crypto: Add SHA3 functions in go.crypto/sha3 to the Hash enum., David Leon Gil <******@****.***>
pkg crypto, const SHA3_224 = 10
pkg crypto, const SHA3_224 Hash
pkg crypto, const SHA3_256 = 11
pkg crypto, const SHA3_256 Hash
pkg crypto, const SHA3_384 = 12

  }

  boolean usesKeyReferences() {
    return keyStrength != Strength.STRONG;
  }

  boolean usesValueReferences() {
    return valueStrength != Strength.STRONG;
  }

  enum Strength {
    /*
     * TODO(kevinb): If we strongly reference the value and aren't loading, we needn't wrap the
     * value. This could save ~8 bytes per entry.
     */

    STRONG {
      @Override

   * Returns a predicate that returns the result of {@link File#isFile} on input files.
   *
   * @since 15.0
   */
  public static Predicate<File> isFile() {
    return FilePredicate.IS_FILE;
  }

  private enum FilePredicate implements Predicate<File> {
    IS_DIRECTORY {
      @Override
      public boolean apply(File file) {
        return file.isDirectory();
      }

      @Override

        addEventListener(EventListenerRelay(this, eventRecorder).eventListener)
      }

      ListenerInstalledOn.Client -> {} // listener is added elsewhere.
    }
  }

  enum class ListenerInstalledOn {
    Client,
    Call,
    Relay,
  }

  companion object {
    val anyResponse = CoreMatchers.any(Response::class.java)
  }

    map.put(3, 20);
    map.put(1, 30);
    TreeMap<Integer, Integer> copy = Maps.newTreeMap(map);
    assertEquals(copy, map);
    assertSame(copy.comparator(), map.comparator());
  }

  public enum SomeEnum {
    SOME_INSTANCE
  }

  public void testEnumMap() {
    EnumMap<SomeEnum, Integer> map = Maps.newEnumMap(SomeEnum.class);
    assertEquals(emptyMap(), map);
    map.put(SomeEnum.SOME_INSTANCE, 0);

    }
  }

  private fun Editor.setString(
    index: Int,
    value: String,
  ) {
    newSink(index).buffer().use { writer ->
      writer.writeUtf8(value)
    }
  }

  enum class Subject {
    System {
      override fun create() = FileSystem.SYSTEM

      override val windows: Boolean
        get() = TestUtil.windows
    },

    FakeUnix {