return false;
    }

    return true;
  }

  /**
   * Returns the IPv4 address embedded in an IPv4 compatible address.
   *
   * @param ip {@link Inet6Address} to be examined for an embedded IPv4 address
   * @return {@link Inet4Address} of the embedded IPv4 address
   * @throws IllegalArgumentException if the argument is not a valid IPv4 compatible address
   */

    // simple string tests
    assertThat(e.escape("")).isEqualTo("");
    assertThat(e.escape("safestring")).isEqualTo("safestring");
    assertThat(e.escape("embedded\0null")).isEqualTo("embedded%00null");
    assertThat(e.escape("max\uffffchar")).isEqualTo("max%EF%BF%BFchar");
  }

  /** Tests the various ways that the space character can be handled */
  public void testPlusForSpace() {

    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    assertThat(e.escape("")).isEqualTo("");
    assertThat(e.escape("safestring")).isEqualTo("safestring");
    assertThat(e.escape("embedded\0null")).isEqualTo("embedded%00null");
    assertThat(e.escape("max\uffffchar")).isEqualTo("max%EF%BF%BFchar");
  }

  // Helper to assert common expected behaviour of uri escapers.
  static void assertBasicUrlEscaper(UnicodeEscaper e) {

    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    assertThat(e.escape("")).isEqualTo("");
    assertThat(e.escape("safestring")).isEqualTo("safestring");
    assertThat(e.escape("embedded\0null")).isEqualTo("embedded%00null");
    assertThat(e.escape("max\uffffchar")).isEqualTo("max%EF%BF%BFchar");
  }

  // Helper to assert common expected behaviour of uri escapers.
  static void assertBasicUrlEscaper(UnicodeEscaper e) {

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

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

    /**
     * The location of the release notes assets
     */

   * Otherwise, they are cross-site URLs.
   *
   * When a URL is requested, it may be in the context of another URL.
   *
   *  * **Embedded resources like images and iframes** in browsers use the context as the page in
   *    the address bar and the subject is the URL of an embedded resource.
   *
   *  * **Potentially-destructive navigations such as HTTP POST calls** use the context as the page

    // simple string tests
    assertThat(e.escape("")).isEqualTo("");
    assertThat(e.escape("safestring")).isEqualTo("safestring");
    assertThat(e.escape("embedded\0null")).isEqualTo("embedded%00null");
    assertThat(e.escape("max\uffffchar")).isEqualTo("max%EF%BF%BFchar");
  }

  /** Tests the various ways that the space character can be handled */
  public void testPlusForSpace() {

    // 2 6to4 addresses differing in the embedded IPv4 address should
    // hash to the different values.
    assertThat(InetAddresses.getCoercedIPv4Address(InetAddresses.forString("2002:0102:0304::1")))
        .isNotEqualTo(
            InetAddresses.getCoercedIPv4Address(InetAddresses.forString("2002:0506:0708::1")));

    // 2 6to4 addresses NOT differing in the embedded IPv4 address should
    // hash to the same value.

        "it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap",
        // For Java compilation incremental analysis
        "it.unimi.dsi.fastutil.ints.IntOpenHashSet",
        "it.unimi.dsi.fastutil.ints.IntSets",
        // For the embedded Kotlin compiler
        "it.unimi.dsi.fastutil.ints.Int2ObjectMap",
        "it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap",
        "it.unimi.dsi.fastutil.objects.Object2IntMap",

        return True
    first_field = fields[0]
    # If it explicitly specifies it is embedded, it has to be embedded
    if getattr(first_field.field_info, "embed", None):
        return True
    # If it's a Form (or File) field, it has to be a BaseModel (or a union of BaseModels) to be top level
    # otherwise it has to be embedded, so that the key value pair can be extracted
    if (