static char[] charBufferFromThreadLocal() {
    // ThreadLocal is not available to GWT, so we always reuse the same
    // instance.  It is always safe to return the same instance because
    // javascript is single-threaded, and only used by blocks that doesn't
    // involve async callbacks.
    return CHAR_BUFFER;
  }

  private Platform() {}

   * This needs to be a @JsMethod so that J2CL knows to look for a JavaScript implemention of
   * it in Platform.native.js. (The JavaScript implementation inline below is visible to *GWT*, but
   * *J2CL* doesn't look at it.)
   *
   * However, once it's a @JsMethod, GWT produces a warning. That's because (a) the *other* purpose
   * of @JsMethod is to make a method *callable* from JavaScript and (b) this method would not be

    public abstract RegularFileProperty getBaseCssFile();

    /**
     * The release notes specific CSS file
     */
    public abstract RegularFileProperty getReleaseNotesCssFile();

    /**
     * The Javascript embedded in the release notes
     */
    public abstract RegularFileProperty getReleaseNotesJsFile();

    /**
     * The Jquery file to include in the release notes.
     */

        for (File jquery : this.jqueryFiles) {
            appendFileContentsTo(document.head(), "<script type='text/javascript'>", jquery, "</script>");
        }
        appendFileContentsTo(document.head(), "<script type='text/javascript'>", releaseNotesJavascript, "</script>");
    }

    private void addCssToHead(Document document) {

  public static class ImmutableSetWithBadHashesGenerator extends TestCollidingSetGenerator
      // Work around a GWT compiler bug.  Not explicitly listing this will
      // cause the createArray() method missing in the generated javascript.
      // TODO: Remove this once the GWT bug is fixed.
      implements TestCollectionGenerator<Object> {
    @Override
    public Set<Object> create(Object... elements) {
      return ImmutableSet.copyOf(elements);

    Collections.addAll(all, e1, e2, e3, e4, e5, e6);
    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) {

  /**
   * <a href="http://www.rfc-editor.org/rfc/rfc4329.txt">RFC 4329</a> declares {@link
   * #JAVASCRIPT_UTF_8 application/javascript} to be the correct media type for JavaScript, but this
   * may be necessary in certain situations for compatibility.
   */
  public static final MediaType TEXT_JAVASCRIPT_UTF_8 = createConstantUtf8(TEXT_TYPE, "javascript");
  /**

            task.getDestinationDirectory().convention(dslReference.getStagingRoot().dir("dsl"));
        });

        extension.dslReference(dslRef -> {
            // DSL ref has custom javascript
            ConfigurableFileTree js = objects.fileTree();
            js.from(dslReference.getRoot());
            js.include("*.js");
            dslRef.getResources().from(js);

   *
   * <p>This test might fail in GWT because the GWT emulations might count on the input collection
   * not to change during the copy. It is safe to do so in GWT because javascript is
   * single-threaded.
   */
  @GwtIncompatible // GWT is single threaded
  public void testCopyOf_threadSafe() {
    /*
     * The actual collections that we pass as inputs will be wrappers around these, so

   *
   * <p>This test might fail in GWT because the GWT emulations might count on the input collection
   * not to change during the copy. It is safe to do so in GWT because javascript is
   * single-threaded.
   */
  @GwtIncompatible // GWT is single threaded
  public void testCopyOf_threadSafe() {
    /*
     * The actual collections that we pass as inputs will be wrappers around these, so