}

    Alphabet lowerCase() {
      if (!hasUpperCase()) {
        return this;
      }
      checkState(!hasLowerCase(), "Cannot call lowerCase() on a mixed-case alphabet");
      char[] lowerCased = new char[chars.length];
      for (int i = 0; i < chars.length; i++) {
        lowerCased[i] = Ascii.toLowerCase(chars[i]);
      }
      Alphabet lowerCase = new Alphabet(name + ".lowerCase()", lowerCased);

  private static final String UPPER = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

  public void testToLowerCase() {
    assertEquals(LOWER, Ascii.toLowerCase(UPPER));
    assertSame(LOWER, Ascii.toLowerCase(LOWER));
    assertEquals(IGNORED, Ascii.toLowerCase(IGNORED));
    assertEquals("foobar", Ascii.toLowerCase("fOobaR"));
  }

  public void testToUpperCase() {
    assertEquals(UPPER, Ascii.toUpperCase(LOWER));

  @get:JvmName("scheme") val scheme: String,
  authParams: Map<String?, String>,
) {
  /**
   * Returns the auth params, including [realm] and [charset] if present, but as
   * strings. The map's keys are lowercase and should be treated case-insensitively.
   */
  @get:JvmName("authParams")
  val authParams: Map<String?, String>

  /** Returns the protection space. */
  @get:JvmName("realm")
  val realm: String?

  private static final String UPPER = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

  public void testToLowerCase() {
    assertEquals(LOWER, Ascii.toLowerCase(UPPER));
    assertSame(LOWER, Ascii.toLowerCase(LOWER));
    assertEquals(IGNORED, Ascii.toLowerCase(IGNORED));
    assertEquals("foobar", Ascii.toLowerCase("fOobaR"));
  }

  public void testToUpperCase() {
    assertEquals(UPPER, Ascii.toUpperCase(LOWER));

      }
      result.add(Header(TARGET_SCHEME, request.url.scheme))

      for (i in 0 until headers.size) {
        // header names must be lowercase.
        val name = headers.name(i).lowercase(Locale.US)
        if (name !in HTTP_2_SKIPPED_REQUEST_HEADERS ||
          name == TE && headers.value(i) == "trailers"
        ) {
          result.add(Header(name, headers.value(i)))

  val typeSubtype: MatchResult =
    TYPE_SUBTYPE.matchAtPolyfill(this, 0)
      ?: throw IllegalArgumentException("No subtype found for: \"$this\"")
  val type = typeSubtype.groupValues[1].lowercase()
  val subtype = typeSubtype.groupValues[2].lowercase()

  val parameterNamesAndValues = mutableListOf<String>()
  var s = typeSubtype.range.last + 1
  while (s < length) {
    val parameter = PARAMETER.matchAtPolyfill(this, s)

fun functionalTestExtraParameters(buildScanTag: String, os: Os, arch: Arch, testJvmVersion: String, testJvmVendor: String): String {
    val buildScanValues = mapOf(
        "coverageOs" to os.name.lowercase(),
        "coverageArch" to arch.name.lowercase(),
        "coverageJvmVendor" to testJvmVendor,
        "coverageJvmVersion" to "java$testJvmVersion"
    )
    return (
        listOf(
            "-PtestJavaVersion=$testJvmVersion",

      }

      override operator fun get(url: HttpUrl): String {
        val host = url.host
        return host.substring(1, host.length - 5).lowercase()
      }

      override fun canonicalize(s: String): String = s.lowercase()
    },

    PATH {
      override fun urlString(value: String): String = "http://example.com/a${value}z/"

      override fun encodedValue(url: HttpUrl): String {

        print("add(${diagnostic.original.containingObjectName}.${diagnostic.original.name}")
        if (diagnostic.severity != null) {
            print(".${diagnostic.severity.name.lowercase()}Factory")
        }
        println(") { firDiagnostic ->")
        withIndent {
            println("${diagnostic.implClassName}(")
            withIndent {
                printDiagnosticParameters(diagnostic)

            " -PtestJavaVersion=${testJava.version.major}" +
            " -PtestJavaVendor=${testJava.vendor.name}" +
            " -P${testSplitType.name.lowercase()}TestClasses=true",
        preSteps = prepareTestClassesStep(os, testSplitType, testClasses)
    )