*
   * @throws ExceptionInInitializerError if an exception is thrown during initialization of a class
   */
  public static void initialize(Class<?>... classes) {
    for (Class<?> clazz : classes) {
      try {
        Class.forName(clazz.getName(), true, clazz.getClassLoader());
      } catch (ClassNotFoundException e) {
        throw new AssertionError(e);
      }
    }
  }

  /**

  private static final class BreakingWhitespace extends CharMatcher {

    static final CharMatcher INSTANCE = new BreakingWhitespace();

    @Override
    public boolean matches(char c) {
      switch (c) {
        case '\t':
        case '\n':
        case '\013':
        case '\f':
        case '\r':
        case ' ':
        case '\u0085':
        case '\u1680':

        return classes.values().findAll { !it.name.contains('.internal.') }
    }

    boolean isKnownType(String className) {
        return classMetaData.find(className) != null
    }

    gradlebuild.docs.dsl.docbook.model.ClassDoc findClassDoc(String className) {
        gradlebuild.docs.dsl.docbook.model.ClassDoc classDoc = classes[className]

        assertOutputContains(
            result.getOutput(),
            "Tests classes with suffix `IT` should extend org.elasticsearch.gradle.testkit.Integration but the following classes do not:",
            "  * org.elasticsearch.gradle.testkit.NamingConventionIT",
            "  * org.elasticsearch.gradle.testkit.NamingConventionMissmatchIT",

    String concurrentPackage = SettableFuture.class.getPackage().getName();
    ClassLoader classLoader = AggregateFutureStateFallbackAtomicHelperTest.class.getClassLoader();
    // we delegate to the current classloader so both loaders agree on classes like TestCase
    return new URLClassLoader(ClassPathUtil.getClassPathUrls(), classLoader) {
      @Override
      public Class<?> loadClass(String name) throws ClassNotFoundException {

    }

    @Test
    void testTargetPath() {
        Build build = mock(Build.class);
        when(build.getDirectory()).thenReturn("target");
        when(build.getOutputDirectory()).thenReturn("target/classes");
        when(build.getTestOutputDirectory()).thenReturn("target/test-classes");

        Project project = mock(Project.class);
        when(project.getBuild()).thenReturn(build);

            val content = parameters.repoRoot.file("test-splits/include-test-classes.properties").get().asFile.readText()
            println("Tests to be included:\n$content")
            IncludeTestClassProvider(readTestClasses(content))
        }
        parameters.excludeTestClasses.get().isNotBlank() -> {
            val content = parameters.repoRoot.file("test-splits/exclude-test-classes.properties").get().asFile.readText()

  // can reuse it.
  public static <E extends Enum<?> & Feature<?>> void assertGoodFeatureEnum(
      Class<E> featureEnumClass) {
    Class<?>[] classes = featureEnumClass.getDeclaredClasses();
    for (Class<?> containedClass : classes) {
      if (containedClass.getSimpleName().equals("Require")) {
        if (containedClass.isAnnotation()) {

        }

    fun getDependencies() = classes.map { it.value.outputClassFilename to it.value.dependencies.map { it.outputClassFilename } }.toMap()
}


class ClassDetails(val outputClassName: String) {
    var visited: Boolean = false
    val dependencies: MutableSet<ClassDetails> = linkedSetOf()
    val outputClassFilename
        get() = "$outputClassName.class"
}


class PackagePatterns(givenPrefixes: Set<String>) {

   * </ul>
   */
  public final Class<? super T> getRawType() {
    if (runtimeType instanceof Class) {
      @SuppressWarnings("unchecked") // raw type is T
      Class<? super T> result = (Class<? super T>) runtimeType;
      return result;
    } else if (runtimeType instanceof ParameterizedType) {
      @SuppressWarnings("unchecked") // raw type is |T|