Collections.addAll(all, others);
    return copyOf(all.iterator());
  }

  /** ImmutableSet.of API that is friendly to use from JavaScript. */
  @JsMethod(name = "of")
  static <E> ImmutableSet<E> jsOf(E... elements) {
    return copyOf(elements);
  }

  @JsMethod
  public static <E> ImmutableSet<E> copyOf(E[] elements) {
    checkNotNull(elements);
    switch (elements.length) {
      case 0:

    System.arraycopy(source, 0, dest, pos, source.length);
  }

  /** ImmutableList.of API that is friendly to use from JavaScript. */
  @JsMethod(name = "of")
  static <E> ImmutableList<E> jsOf(E... elements) {
    return copyOf(elements);
  }

  public static <E> ImmutableList<E> copyOf(Iterable<? extends E> elements) {
    checkNotNull(elements); // for GWT
    return (elements instanceof Collection)

   * geospatial data interchange format based on JSON.
   *
   * @since 28.0
   */
  public static final MediaType GEO_JSON = createConstant(APPLICATION_TYPE, "geo+json");

  public static final MediaType GZIP = createConstant(APPLICATION_TYPE, "x-gzip");

  /**
   * <a href="https://tools.ietf.org/html/draft-kelly-json-hal-08#section-3">JSON Hypertext
   * Application Language (HAL) documents</a>.
   *