InternetDomainName googleDomain = InternetDomainName.from("google.com");

    assertThat(googleDomain.topPrivateDomain()).isEqualTo(googleDomain);
    assertThat(googleDomain.child("mail").topPrivateDomain()).isEqualTo(googleDomain);
    assertThat(googleDomain.child("foo.bar").topPrivateDomain()).isEqualTo(googleDomain);
  }

  public void testInvalidTopPrivateDomain() {

    InternetDomainName googleDomain = InternetDomainName.from("google.com");

    assertThat(googleDomain.topPrivateDomain()).isEqualTo(googleDomain);
    assertThat(googleDomain.child("mail").topPrivateDomain()).isEqualTo(googleDomain);
    assertThat(googleDomain.child("foo.bar").topPrivateDomain()).isEqualTo(googleDomain);
  }

  public void testInvalidTopPrivateDomain() {

   * controls.
   *
   * @throws IllegalStateException if this domain does not end with a public suffix
   * @since 6.0
   */
  public InternetDomainName topPrivateDomain() {
    if (isTopPrivateDomain()) {
      return this;
    }
    checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
    return ancestor(publicSuffixIndex() - 1);
  }

  /**

    val redact: String = httpUrl.redact()
    var builder: HttpUrl.Builder = httpUrl.newBuilder()
    var resolveBuilder: HttpUrl.Builder? = httpUrl.newBuilder("")
    val topPrivateDomain: String? = httpUrl.topPrivateDomain()
    val resolve: HttpUrl? = httpUrl.resolve("")
    val getFromUrl: HttpUrl? = URL("").toHttpUrlOrNull()
    val getFromUri: HttpUrl? = URI("").toHttpUrlOrNull()

   *
   * In general this method **should not** be used to test whether a domain is valid or routable.
   * Instead, DNS is the recommended source for that information.
   *
   * | URL                           | `topPrivateDomain()` |
   * | :---------------------------- | :------------------- |
   * | `http://google.com`           | `"google.com"`       |
   * | `http://adwords.google.co.uk` | `"google.co.uk"`     |

	public final fun redact ()Ljava/lang/String;
	public final fun resolve (Ljava/lang/String;)Lokhttp3/HttpUrl;
	public final fun scheme ()Ljava/lang/String;
	public fun toString ()Ljava/lang/String;
	public final fun topPrivateDomain ()Ljava/lang/String;
	public final fun uri ()Ljava/net/URI;
	public final fun url ()Ljava/net/URL;
	public final fun username ()Ljava/lang/String;
}

public final class okhttp3/HttpUrl$Builder {

	public final fun redact ()Ljava/lang/String;
	public final fun resolve (Ljava/lang/String;)Lokhttp3/HttpUrl;
	public final fun scheme ()Ljava/lang/String;
	public fun toString ()Ljava/lang/String;
	public final fun topPrivateDomain ()Ljava/lang/String;
	public final fun uri ()Ljava/net/URI;
	public final fun url ()Ljava/net/URL;
	public final fun username ()Ljava/lang/String;
}

public final class okhttp3/HttpUrl$Builder {

  @get:JvmName("hostOnly") val hostOnly: Boolean,
  /**
   * Returns a string describing whether this cookie is sent for cross-site calls.
   *
   * Two URLs are on the same site if they share a [top private domain][HttpUrl.topPrivateDomain].
   * Otherwise, they are cross-site URLs.
   *
   * When a URL is requested, it may be in the context of another URL.
   *

    attempt multiple TLS handshakes for the same call concurrently.
 *  Fix: Don't crash loading the public suffix database in GraalVM native images. The function
    `HttpUrl.topPrivateDomain()` uses a resource file to identify private domains, but we didn't
    include this file on GraalVM.


## Version 5.0.0-alpha.4

_2022-02-01_