class Lists {

  @SafeVarargs
  public static <T> List<T> list(T... elements) {
    return newArrayList(elements);
  }

  /**
   * Creates a <em>mutable</em> {@link ArrayList} containing the given elements.
   *
   * @param <T> the generic type of the {@code ArrayList} to create.
   * @param elements the elements to store in the {@code ArrayList}.
   * @return the created {@code ArrayList}, of {@code null} if the given array of elements is {@code null}.
   */
  @SafeVarargs
  public static <T> ArrayList<T> newArrayList(T... elements) {
    if (elements == null) {
      return null;
    }
    ArrayList<T> list = newArrayList();
    Collections.addAll(list, elements);
    return list;
  }

  /**
   * Creates a <em>mutable</em> {@link ArrayList} containing the given elements.
   *
   * @param <T> the generic type of the {@code ArrayList} to create.
   * @param elements the elements to store in the {@code ArrayList}.
   * @return the created {@code ArrayList}, or {@code null} if the given {@code Iterable} is {@code null}.
   */
  public static <T> ArrayList<T> newArrayList(Iterable<? extends T> elements) {<FILL_FUNCTION_BODY>}

  /**
   * Creates a <em>mutable</em> {@link ArrayList} containing the given elements.
   *
   * @param <T> the generic type of the {@code ArrayList} to create.
   * @param elements the elements to store in the {@code ArrayList}.
   * @return the created {@code ArrayList}, or {@code null} if the given {@code Iterator} is {@code null}.
   */
  public static <T> ArrayList<T> newArrayList(Iterator<? extends T> elements) {
    if (elements == null) {
      return null;
    }
    return Streams.stream(elements).collect(toCollection(ArrayList::new));
  }

  /**
   * Creates a <em>mutable</em> {@link ArrayList}.
   *
   * @param <T> the generic type of the {@code ArrayList} to create.
   * @return the created {@code ArrayList}, of {@code null} if the given array of elements is {@code null}.
   */
  public static <T> ArrayList<T> newArrayList() {
    return new ArrayList<>();
  }

  /**
   * @deprecated use {@link Collections#emptyList()} instead.
   *
   * @param <T> the generic type of the {@code List}.
   * @return an empty, <em>immutable</em> {@code List}.
   */
  @Deprecated
  public static <T> List<T> emptyList() {
    return Collections.emptyList();
  }

  private Lists() {}
}

    if (elements == null) {
      return null;
    }
    return Streams.stream(elements).collect(toCollection(ArrayList::new));
  
<no_super_class>