assertEquals(Currency.class, bimap.keyType());
  }

  @GwtIncompatible // valueType
  public void testValueType() {
    EnumBiMap<Currency, Country> bimap = EnumBiMap.create(Currency.class, Country.class);
    assertEquals(Country.class, bimap.valueType());
  }

  public void testIterationOrder() {
    // The enum orderings are alphabetical, leading to the bimap and its inverse

    assertEquals(Currency.class, bimap.keyType());
  }

  @GwtIncompatible // valueType
  public void testValueType() {
    EnumBiMap<Currency, Country> bimap = EnumBiMap.create(Currency.class, Country.class);
    assertEquals(Country.class, bimap.valueType());
  }

  public void testIterationOrder() {
    // The enum orderings are alphabetical, leading to the bimap and its inverse

        PARSER.declareString(StoredLtrQueryBuilder::storeName, STORE_NAME);
        PARSER.declareField(StoredLtrQueryBuilder::params, XContentParser::map, PARAMS, ObjectParser.ValueType.OBJECT);
        PARSER.declareStringArray(StoredLtrQueryBuilder::activeFeatures, ACTIVE_FEATURES);
        PARSER.declareFloat(QueryBuilder::boost, AbstractQueryBuilder.BOOST_FIELD);

            new Entry<Integer, String>() {}.valueType(),
            new TypeToken<String>() {},
            new TypeToken<String>() {})
        .addEqualityGroup(
            TypeToken.of(Integer.class),
            new TypeToken<Integer>() {},
            new Entry<Integer, String>() {}.keyType(),
            new Entry<String, Integer>() {}.valueType())

   *
   * @param keyType the key type
   * @param valueType the value type
   */
  public static <K extends Enum<K>, V extends Enum<V>> EnumBiMap<K, V> create(
      Class<K> keyType, Class<V> valueType) {
    return new EnumBiMap<>(keyType, valueType);
  }

  /**
   * Returns a new bimap with the same mappings as the specified map. If the specified map is an

   *
   * @param keyType the key type
   * @param valueType the value type
   */
  public static <K extends Enum<K>, V extends Enum<V>> EnumBiMap<K, V> create(
      Class<K> keyType, Class<V> valueType) {
    return new EnumBiMap<>(keyType, valueType);
  }

  /**
   * Returns a new bimap with the same mappings as the specified map. If the specified map is an

    assertEquals(valueType, TypeToken.of(valueType).resolveType(valueType).getType());
  }

  private static final class GenericArray<T> {
    final Type t = new TypeToken<T>(getClass()) {}.getType();
    final Type array = new TypeToken<T[]>(getClass()) {}.getType();
  }

  public void testGenericArrayType() {
    GenericArray<?> genericArray = new GenericArray<>();

    assertEquals(valueType, TypeToken.of(valueType).resolveType(valueType).getType());
  }

  private static final class GenericArray<T> {
    final Type t = new TypeToken<T>(getClass()) {}.getType();
    final Type array = new TypeToken<T[]>(getClass()) {}.getType();
  }

  public void testGenericArrayType() {
    GenericArray<?> genericArray = new GenericArray<>();

            new Entry<Integer, String>() {}.valueType(),
            new TypeToken<String>() {},
            new TypeToken<String>() {})
        .addEqualityGroup(
            TypeToken.of(Integer.class),
            new TypeToken<Integer>() {},
            new Entry<Integer, String>() {}.keyType(),
            new Entry<String, Integer>() {}.valueType())

   *
   * <pre>{@code
   * static <K, V> TypeToken<Map<K, V>> mapOf(
   *     TypeToken<K> keyType, TypeToken<V> valueType) {
   *   return new TypeToken<Map<K, V>>() {}
   *       .where(new TypeParameter<K>() {}, keyType)
   *       .where(new TypeParameter<V>() {}, valueType);
   * }
   * }</pre>
   *
   * @param <X> The parameter type
   * @param typeParam the parameter type variable