return null;
            }
        }

    }

    private static Field getAccessibleField(final Class<?> clazz, final String name) {
        return AccessController.doPrivileged((PrivilegedAction<Field>) () -> {
            try {
                final Field field = clazz.getDeclaredField(name);
                field.setAccessible(true);
                return field;

      try {
        return Unsafe.getUnsafe();
      } catch (SecurityException tryReflectionInstead) {
        // We'll try reflection instead.
      }
      try {
        return AccessController.doPrivileged(
            (PrivilegedExceptionAction<Unsafe>)
                () -> {
                  Class<Unsafe> k = Unsafe.class;
                  for (Field f : k.getDeclaredFields()) {

  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();
    } catch (SecurityException tryReflectionInstead) {
    }
    try {
      return java.security.AccessController.doPrivileged(
          new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
            @Override
            public sun.misc.Unsafe run() throws Exception {
              Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class;

      try {
        return Unsafe.getUnsafe();
      } catch (SecurityException tryReflectionInstead) {
        // We'll try reflection instead.
      }
      try {
        return AccessController.doPrivileged(
            (PrivilegedExceptionAction<Unsafe>)
                () -> {
                  Class<Unsafe> k = Unsafe.class;
                  for (Field f : k.getDeclaredFields()) {

  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();
    } catch (SecurityException tryReflectionInstead) {
    }
    try {
      return java.security.AccessController.doPrivileged(
          new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
            @Override
            public sun.misc.Unsafe run() throws Exception {
              Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class;

  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();
    } catch (SecurityException tryReflectionInstead) {
    }
    try {
      return java.security.AccessController.doPrivileged(
          new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
            @Override
            public sun.misc.Unsafe run() throws Exception {
              Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class;

  private static sun.misc.Unsafe getUnsafe() {
    try {
      return sun.misc.Unsafe.getUnsafe();
    } catch (SecurityException tryReflectionInstead) {
    }
    try {
      return java.security.AccessController.doPrivileged(
          new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
            @Override
            public sun.misc.Unsafe run() throws Exception {
              Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class;

          return sun.misc.Unsafe.getUnsafe();
        } catch (SecurityException e) {
          // that's okay; try reflection instead
        }
        try {
          return java.security.AccessController.doPrivileged(
              new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
                @Override
                public sun.misc.Unsafe run() throws Exception {

          return sun.misc.Unsafe.getUnsafe();
        } catch (SecurityException e) {
          // that's okay; try reflection instead
        }
        try {
          return java.security.AccessController.doPrivileged(
              new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() {
                @Override
                public sun.misc.Unsafe run() throws Exception {

      try {
        unsafe = sun.misc.Unsafe.getUnsafe();
      } catch (SecurityException tryReflectionInstead) {
        try {
          unsafe =
              AccessController.doPrivileged(
                  new PrivilegedExceptionAction<sun.misc.Unsafe>() {
                    @Override
                    public sun.misc.Unsafe run() throws Exception {