override fun beforeAnalysis(access: Feature.BeforeAnalysisAccess?) {
    RuntimeResourceAccess.addResource(
      ClassLoader.getSystemClassLoader().getUnnamedModule(),
      "okhttp3/internal/publicsuffix/PublicSuffixDatabase.gz",
    )
  }

       to ignore these two files when considering whether the classpath
       has changed. That is the purpose of this normalization block.
   */
    ignore("okhttp3/osgi/workspace/cnf/repo/index.xml.gz")
    ignore("okhttp3/osgi/workspace/cnf/repo/index.xml.gz.sha")
  }
}

// Expose OSGi jars to the test environment.
val osgiTestDeploy: Configuration by configurations.creating

val copyOsgiTestDeployment by tasks.creating(Copy::class.java) {

    listRead.set(true)
    readCompleteLatch.countDown()
  }

  companion object {
    @JvmField
    val PUBLIC_SUFFIX_RESOURCE = "/okhttp3/internal/publicsuffix/${PublicSuffixDatabase::class.java.simpleName}.gz".toPath()

    private val WILDCARD_LABEL = byteArrayOf('*'.code.toByte())
    private val PREVAILING_RULE = listOf("*")

    private const val EXCEPTION_MARKER = '!'

Note that PublicSuffixDatabase.gz is compiled from The Public Suffix List:
https://publicsuffix.org/list/public_suffix_list.dat

It is subject to the terms of the Mozilla Public License, v. 2.0:

    } finally {
      assertThat(Thread.interrupted()).isTrue()
    }
  }

  @Test fun secondReadFailsSameAsFirst() {
    val badPublicSuffixDatabase =
      PublicSuffixDatabase(
        path = "/xxx.gz".toPath(),
      )
    lateinit var firstFailure: Exception
    assertFailsWith<Exception> {
      badPublicSuffixDatabase.getEffectiveTldPlusOne("squareup.com")
    }.also { e ->
      firstFailure = e
    }

cn
ac.cn
com.cn
edu.cn
gov.cn
net.cn
org.cn
mil.cn
公司.cn
网络.cn
網絡.cn
// cn geographic names
ah.cn
bj.cn
cq.cn
fj.cn
gd.cn
gs.cn
gz.cn
gx.cn
ha.cn
hb.cn
he.cn
hi.cn
hl.cn
hn.cn
jl.cn
js.cn
jx.cn
ln.cn
nm.cn
nx.cn
qh.cn
sc.cn
sd.cn
sh.cn
sn.cn
sx.cn
tj.cn
xj.cn
xz.cn