* {@link java.net.IDN} class.
 *
 * <p>This class allows setting a custom flag for the IDN conversion and a custom
 * encoding for URL decoding.</p>
 *
 * <p>Example usage:</p>
 * <pre>
 * {@code
 * IdnDnsResolver resolver = new IdnDnsResolver();
 * resolver.setFlag(IDN.ALLOW_UNASSIGNED);
 * resolver.setEncoding("UTF-8");
 * InetAddress[] addresses = resolver.resolve("example.com");
 * }
 * </pre>
 *
 */

 * {@link java.net.IDN} class.
 *
 * <p>This class allows setting a custom flag for the IDN conversion and a custom
 * encoding for URL decoding.</p>
 *
 * <p>Example usage:</p>
 * <pre>
 * {@code
 * Hc5IdnDnsResolver resolver = new Hc5IdnDnsResolver();
 * resolver.setFlag(IDN.ALLOW_UNASSIGNED);
 * resolver.setEncoding("UTF-8");
 * InetAddress[] addresses = resolver.resolve("example.com");
 * }
 * </pre>

  public void testEquality() {
    new EqualsTester()
        .addEqualityGroup(idn("google.com"), idn("google.com"), idn("GOOGLE.COM"))
        .addEqualityGroup(idn("www.google.com"))
        .addEqualityGroup(UNICODE_EXAMPLE)
        .addEqualityGroup(PUNYCODE_EXAMPLE)
        .testEquals();
  }

  private static InternetDomainName idn(String domain) {
    return InternetDomainName.from(domain);
  }

  public void testEquality() {
    new EqualsTester()
        .addEqualityGroup(idn("google.com"), idn("google.com"), idn("GOOGLE.COM"))
        .addEqualityGroup(idn("www.google.com"))
        .addEqualityGroup(UNICODE_EXAMPLE)
        .addEqualityGroup(PUNYCODE_EXAMPLE)
        .testEquals();
  }

  private static InternetDomainName idn(String domain) {
    return InternetDomainName.from(domain);
  }

http://%ef%bc%85%ef%bc%94%ef%bc%91.com

# ...%00 in fullwidth should fail (also as escaped UTF-8 input)
http://\uff05\uff10\uff10.com
http://%ef%bc%85%ef%bc%90%ef%bc%90.com

# Basic IDN support, UTF-8 and UTF-16 input should be converted to IDN
http://\u4f60\u597d\u4f60\u597d  s:http p:/ h:xn--6qqa088eba

# Invalid escaped characters should fail and the percents should be
# escaped. https://www.w3.org/Bugs/Public/show_bug.cgi?id=24191

   * ```
   *
   * @param domain A canonicalized domain. An International Domain Name (IDN) should be punycode
   *     encoded.
   */
  fun getEffectiveTldPlusOne(domain: String): String? {
    // We use UTF-8 in the list so we need to convert to Unicode.
    val unicodeDomain = IDN.toUnicode(domain)
    val domainLabels = splitDomain(unicodeDomain)

    val rule = findMatchingRule(domainLabels)

    into(kotlinTemplatesOutput)

    filteringCharset = Charsets.UTF_8.toString()

    expand(
      "projectVersion" to project.version.toString(),
    )
  }

// Build & use okhttp3/internal/idn/IdnaMappingTableInstance.kt
val generateIdnaMappingTableConfiguration: Configuration by configurations.creating
dependencies {
  generateIdnaMappingTableConfiguration(projects.okhttpIdnaMappingTable)
}

    checkPublicSuffix("www.test.ak.us", "test.ak.us")
    checkPublicSuffix("k12.ak.us", null)
    checkPublicSuffix("test.k12.ak.us", "test.k12.ak.us")
    checkPublicSuffix("www.test.k12.ak.us", "test.k12.ak.us")
    // IDN labels.
    checkPublicSuffix("食狮.com.cn", "食狮.com.cn")
    checkPublicSuffix("食狮.公司.cn", "食狮.公司.cn")
    checkPublicSuffix("www.食狮.公司.cn", "食狮.公司.cn")
    checkPublicSuffix("shishi.公司.cn", "shishi.公司.cn")

 * limitations under the License.
 */
@file:Suppress("ktlint:standard:filename")

package okhttp3.internal

import okhttp3.internal.idn.IDNA_MAPPING_TABLE
import okhttp3.internal.idn.Punycode
import okio.Buffer

/**
 * Quick and dirty pattern to differentiate IP addresses from hostnames. This is an approximation
 * of Android's private InetAddress#isNumeric API.
 *

    to use `Lock` and `Condition` instead of `synchronized` for best resource utilization.

 *  New: Switch our Internationalized Domain Name (IDN) implementation to [UTS #46 Nontransitional
    Processing][uts46]. With this fix, the `ß` code point no longer maps to `ss`. OkHttp now embeds
    its own IDN mapping table in the library.

 *  New: Prefer the client's configured precedence order for TLS cipher suites. (OkHttp used to