URL url2 = new URL("file:/b");
    URLClassLoader classloader = new URLClassLoader(new URL[] {url1, url2}, null);
    assertThat(ClassPath.getClassPathEntries(classloader))
        .containsExactly(new File("/a"), classloader, new File("/b"), classloader);
  }

  @AndroidIncompatible // Android forbids null parent ClassLoader
  public void testClassPathEntries_urlClassLoader_withParent() throws Exception {

    URL url2 = new URL("file:/b");
    URLClassLoader classloader = new URLClassLoader(new URL[] {url1, url2}, null);
    assertThat(ClassPath.getClassPathEntries(classloader))
        .containsExactly(new File("/a"), classloader, new File("/b"), classloader);
  }

  @AndroidIncompatible // Android forbids null parent ClassLoader
  public void testClassPathEntries_urlClassLoader_withParent() throws Exception {

    }
    return builder.build();
  }

  @VisibleForTesting
  static ImmutableMap<File, ClassLoader> getClassPathEntries(ClassLoader classloader) {
    LinkedHashMap<File, ClassLoader> entries = new LinkedHashMap<>();
    // Search parent first, since it's the order ClassLoader#loadClass() uses.
    ClassLoader parent = classloader.getParent();
    if (parent != null) {
      entries.putAll(getClassPathEntries(parent));
    }

        private final GroovyClassLoader classLoader;

        CachedScript(final Class<? extends Script> scriptClass, final GroovyClassLoader classLoader) {
            this.scriptClass = scriptClass;
            this.classLoader = classLoader;
        }

        void close() {
            try {
                classLoader.clearCache();
                classLoader.close();
            } catch (final IOException e) {

  @AndroidIncompatible // "Parent ClassLoader may not be null"; maybe avoidable if we try?
  public void testGetChecked_classUnloading() throws Exception {
    WeakReference<?> classUsedByGetChecked = doTestClassUnloading();
    GcFinalization.awaitClear(classUsedByGetChecked);
  }

  /**
   * Loads {@link WillBeUnloadedException} in a separate {@code ClassLoader}, calls {@code

  @AndroidIncompatible // "Parent ClassLoader may not be null"; maybe avoidable if we try?
  public void testGetChecked_classUnloading() throws Exception {
    WeakReference<?> classUsedByGetChecked = doTestClassUnloading();
    GcFinalization.awaitClear(classUsedByGetChecked);
  }

  /**
   * Loads {@link WillBeUnloadedException} in a separate {@code ClassLoader}, calls {@code

     * @throws ClassNotFoundRuntimeException
     *             If the class cannot be found
     * @see Class#forName(String, boolean, ClassLoader)
     */
    @SuppressWarnings("unchecked")
    public static <T> Class<T> forName(final String className, final ClassLoader loader) throws ClassNotFoundRuntimeException {
        assertArgumentNotEmpty("className", className);
        try {

      }
      if (isAndroid()) {
        // We need not worry about class unloading under Android. Plus, this approach wouldn't work.
        return null;
      }
      ClassLoader systemLoader;
      try {
        systemLoader = ClassLoader.getSystemClassLoader();
      } catch (SecurityException e) {
        logger.info("Not allowed to access system class loader.");
        return null;
      }

      }
      if (isAndroid()) {
        // We need not worry about class unloading under Android. Plus, this approach wouldn't work.
        return null;
      }
      ClassLoader systemLoader;
      try {
        systemLoader = ClassLoader.getSystemClassLoader();
      } catch (SecurityException e) {
        logger.info("Not allowed to access system class loader.");
        return null;
      }

        return clazz.getName().replace('.', '/') + ".class";
    }

    /**
     * Returns the context class loader.
     *
     * @return the context class loader
     */
    public static ClassLoader getClassLoader() {
        return Thread.currentThread().getContextClassLoader();
    }

    /**
     * Returns the resource from the context class loader.
     *
     * @param path