classFilePathCandidatesFor(sourceName)
            .mapNotNull(::classBytesSupplierForFilePath)
            .firstOrNull()

    private
    fun classBytesSupplierForFilePath(classFilePath: String): ClassBytesSupplier? =
        classBytesIndex.asSequence().mapNotNull { it(classFilePath) }.firstOrNull()

    private
    fun sourceNamesFrom(entry: File): Sequence<String> =
        when {

     */
    fun sourceFileAndSourceRootFor(sourceFilePath: String): Pair<File, File> =
        sourceRoots.asSequence()
            .map { it.resolve(sourceFilePath) to it }
            .firstOrNull { it.first.isFile }
            ?: error("Source file '$sourceFilePath' not found, searched in source roots:\n  - ${sourceRoots.joinToString("\n  - ")}")

    private
    val KtFile.normalizedPath: String?

  return SuiteId(id, matcher.groupValues[3])
}

class IanaSuites(
  val name: String,
  val suites: List<SuiteId>,
) {
  fun fromJavaName(javaName: String): SuiteId =
    suites.firstOrNull {
      it.name == javaName || it.name == "TLS_${javaName.drop(4)}"
    } ?: throw IllegalArgumentException("No such suite: $javaName")
}

suspend fun fetchIanaSuites(okHttpClient: OkHttpClient): IanaSuites {

        Jsoup.connect(buildToolsUrl)
            .get()
            .select("section:has(> h3#kts)")
            .first()
            ?.text()
            ?.lines()
            ?.firstOrNull { it.contains("buildToolsVersion = ") }
            ?.substringAfter("buildToolsVersion = ")
            ?.trim('"', ' ')
            ?: error("Couldn't find buildToolsVersion on $buildToolsUrl")

    return OkHttpDebugLogging.enable(
      "javax.net.ssl",
      object : Handler() {
        override fun publish(record: LogRecord) {
          val param = record.parameters?.firstOrNull() as? String
          debugHandler(JsseDebugMessage(record.message, param))
        }

        override fun flush() {
        }

        override fun close() {
        }
      },
    )
  }

  @BeforeEach
  internal fun setUp() {
    val inetAddresses = InetAddress.getAllByName("localhost")
    localhostIpv4 = inetAddresses.firstOrNull { it is Inet4Address }
      ?: throw TestAbortedException()
    localhostIpv6 = inetAddresses.firstOrNull { it is Inet6Address }
      ?: throw TestAbortedException()

    serverIpv4 = MockWebServer()
    serverIpv4.start(localhostIpv4, 0) // Pick any available port.

    replaceWith = ReplaceWith("body.readUtf8()"),
    level = DeprecationLevel.WARNING,
  )
  fun getUtf8Body(): String = body.readUtf8()

  fun getHeader(name: String): String? = headers.values(name).firstOrNull()

  override fun toString(): String = requestLine

      assertThat(messages).contains(failure!!.message)
    }

  fun assertFailureMatches(vararg patterns: String) =
    apply {
      val message = failure!!.message!!
      assertThat(
        patterns.firstOrNull { pattern ->
          message.matches(pattern.toRegex())
        },
      ).isNotNull()
    }

  fun assertSentRequestAtMillis(
    minimum: Long,
    maximum: Long,
  ) = apply {

        .sortedWithTypeOfTakingFunctionsFirst()
        .flatMap { function ->

            val candidateFor = object {

                val groovyNamedArgumentsToVarargs =
                    function.parameters.firstOrNull()?.type?.isGroovyNamedArgumentMap == true

                val javaClassToKotlinClass =
                    function.parameters.any { it.type.hasJavaClass() }

                val extension

            error("Can't find the contributors section in the release notes $releaseNotes.")
        }

        val contributorSectionEndIndex = (contributorSectionBeginIndex until releaseNotesLines.size).firstOrNull {
            val line = releaseNotesLines[it].trim()
            line.isNotEmpty() && !line.startsWith("[")
        } ?: error("Can't find the contributors section end in the release notes $releaseNotes.")