}
                    }
                    String impl = properties.getProperty(slf4jBinding);
                    if (impl != null) {
                        return (Slf4jConfiguration) Class.forName(impl).newInstance();
                    }
                } catch (IOException | ClassNotFoundException | IllegalAccessException | InstantiationException ex) {
                    // ignore and move on to the next

    }

    protected void setupServletFileUpload(final JakartaServletDiskFileUpload upload, final HttpServletRequest request) {
        upload.setHeaderCharset(Charset.forName(request.getCharacterEncoding()));
        upload.setSizeMax(getSizeMax());
        upload.setFileCountMax(getFileCountMax()); // since commons-fileupload-1.5
    }

    protected long getSizeMax() {

  }

  private static Method getJdkNextDown() throws Exception {
    try {
      return Math.class.getMethod("nextDown", double.class);
    } catch (NoSuchMethodException expectedBeforeJava8) {
      return Class.forName("sun.misc.FpUtils").getMethod("nextDown", double.class);
    }
  }

  @AndroidIncompatible // TODO(cpovirk): File bug for BigDecimal.doubleValue().
  public void testBigToDouble() {

  }

  private static boolean unsafeComparatorAvailable() {
    // See Java Puzzler #44
    // Use reflection instead of catching NoClassDefFoundError
    try {
      Class.forName(unsafeComparatorClassName());
      return true;
    } catch (Error | ClassNotFoundException tolerable) {
      /*
       * We're probably running on Android.
       *
       * A note on exception types:

  }

  private static Method getJdkNextDown() throws Exception {
    try {
      return Math.class.getMethod("nextDown", double.class);
    } catch (NoSuchMethodException expectedBeforeJava8) {
      return Class.forName("sun.misc.FpUtils").getMethod("nextDown", double.class);
    }
  }

  @AndroidIncompatible // TODO(cpovirk): File bug for BigDecimal.doubleValue().
  public void testBigToDouble() {

        }
        return true;
      } else {
        return false;
      }
    }

    private static @Nullable MethodHandle updateByteBuffer() {
      try {
        Class<?> clazz = Class.forName("java.util.zip.Checksum");
        return MethodHandles.lookup()
            .findVirtual(clazz, "update", MethodType.methodType(void.class, ByteBuffer.class));
      } catch (ClassNotFoundException e) {

    URLClassLoader shadowLoader = new URLClassLoader(getClassPathUrls(), null);
    @SuppressWarnings("unchecked")
    Class<TestEnum> shadowTestEnum =
        (Class<TestEnum>) Class.forName(TestEnum.class.getName(), false, shadowLoader);
    assertNotSame(shadowTestEnum, TestEnum.class);
    // We can't write Set<TestEnum> because that is a Set of the TestEnum from the original
    // ClassLoader.

            logger.warn("Cannot load subpackages from {}", basePackage, e);
        }

        subPackages.stream().forEach(protocol -> {
            try {
                final Class<Object> handlerClazz = ClassUtil.forName(basePackage + "." + protocol + ".Handler");
                final Field protocolTypeField = ClassUtil.getDeclaredField(handlerClazz, "PROTOCOL_TYPE");

      return false;
    }
    try {
      Class.forName("com.google.appengine.api.utils.SystemProperty");
    } catch (ClassNotFoundException e) {
      return false;
    }
    try {
      // If the current environment is null, we're not inside AppEngine.
      return Class.forName("com.google.apphosting.api.ApiProxy")
              .getMethod("getCurrentEnvironment")

       * would result in compilation failure if we directly refer to these classes.
       */
      Class<?> sharedSecrets = Class.forName(SHARED_SECRETS_CLASSNAME, false, null);
      Method langAccess = sharedSecrets.getMethod("getJavaLangAccess");
      return langAccess.invoke(null);
    } catch (ThreadDeath death) {
      throw death;