//  num_opers - `num_opers` contains the number of elements in the `opers` array
//              or a special value of -1 meaning that no array is given.
//              The distinction between an empty array of operations and no
//              array of operations is necessary to distinguish the case of
//              creating a function with no body (e.g. identity or permutation)

    private final T[] array;

    ArrayItr(T[] array, int position) {
      super(array.length, position);
      this.array = array;
    }

    @Override
    @ParametricNullness
    protected T get(int index) {
      return array[index];
    }
  }

  /**
   * Returns an iterator containing only {@code value}.

    private final T[] array;

    ArrayItr(T[] array, int position) {
      super(array.length, position);
      this.array = array;
    }

    @Override
    @ParametricNullness
    protected T get(int index) {
      return array[index];
    }
  }

  /**
   * Returns an iterator containing only {@code value}.

    String[] array = Iterators.toArray(iterator, String.class);
    assertThat(array).isEmpty();
  }

  @GwtIncompatible // Iterators.toArray(Iterator, Class)
  public void testToArraySingleton() {
    Iterator<String> iterator = singletonList("a").iterator();
    String[] array = Iterators.toArray(iterator, String.class);
    assertThat(array).isEqualTo(new String[] {"a"});
  }

    String[] array = Iterators.toArray(iterator, String.class);
    assertThat(array).isEmpty();
  }

  @GwtIncompatible // Iterators.toArray(Iterator, Class)
  public void testToArraySingleton() {
    Iterator<String> iterator = singletonList("a").iterator();
    String[] array = Iterators.toArray(iterator, String.class);
    assertThat(array).isEqualTo(new String[] {"a"});
  }

    }
    // array is covariant. component type is subtype, so is the array type.
    // requireNonNull is safe because we call getArraySubtype only when isArray().
    TypeToken<?> componentSubtype =
        requireNonNull(getComponentType()).getSubtype(subclassComponentType);
    @SuppressWarnings("unchecked") // component type is subtype, so is array type.
    TypeToken<? extends T> result =

   */

  /**
   * Ensures that {@code index} specifies a valid <i>element</i> in an array, list or string of size
   * {@code size}. An element index may range from zero, inclusive, to {@code size}, exclusive.
   *
   * @param index a user-supplied index identifying an element of an array, list or string
   * @param size the size of that array, list or string
   * @return the value of {@code index}

                                "schema": {
                                    "title": "Query",
                                    "uniqueItems": True,
                                    "type": "array",
                                    "items": {"type": "integer"},
                                },
                                "name": "query",
                                "in": "query",

   */

  /**
   * Ensures that {@code index} specifies a valid <i>element</i> in an array, list or string of size
   * {@code size}. An element index may range from zero, inclusive, to {@code size}, exclusive.
   *
   * @param index a user-supplied index identifying an element of an array, list or string
   * @param size the size of that array, list or string
   * @return the value of {@code index}

    }

    /**
     * Converts HC4 Hc4Authentication array to HC5 Hc5Authentication array.
     * This provides backward compatibility for existing configurations.
     *
     * @param hc4Auths the HC4 authentication array
     * @return the HC5 authentication array
     */
    protected Hc5Authentication[] convertFromHc4Authentication(final Hc4Authentication[] hc4Auths) {