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())

   *
   * {@snippet :
   * 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);
   * }
   * }
   *
   * @param <X> The parameter type
   * @param typeParam the parameter type variable

            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())