byte[] der = init.toByteArray();

        try (ASN1InputStream is = new ASN1InputStream(der)) {
            Object obj = is.readObject();
            assertTrue(obj instanceof ASN1TaggedObject, "Top-level should be tagged (APPLICATION)");
            ASN1TaggedObject top = (ASN1TaggedObject) obj;

    }
    init(elementCount);
    for (int i = 0; i < elementCount; i++) {
      K key = (K) stream.readObject();
      V value = (V) stream.readObject();
      put(key, value);
    }
  }

  /*
   * The following methods are safe to call as long as both of the following hold:
   *
   * - allocArrays() has been called. Callers can confirm this by checking needsAllocArrays().
   *

  }

  @J2ktIncompatible
  @GwtIncompatible
    abstract Object writeReplace();

  @GwtIncompatible
  @J2ktIncompatible
    private void readObject(ObjectInputStream stream) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0xdecaf;

    @J2ktIncompatible // serialization
    Object writeReplace() {
      return new AsSetSerializedForm<C>(ranges, domain);
    }

    @J2ktIncompatible // java.io.ObjectInputStream
    private void readObject(ObjectInputStream stream) throws InvalidObjectException {
      throw new InvalidObjectException("Use SerializedForm");
    }
  }

            ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
            ObjectInputStream ois = new ObjectInputStream(bais);
            CrawlerStatus deserialized = (CrawlerStatus) ois.readObject();
            ois.close();

            // Verify - enum instances are singletons
            assertSame(original, deserialized);
            assertEquals(original.name(), deserialized.name());

        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        ObjectInputStream ois = new ObjectInputStream(bais);
        TestAbstractRule deserializedRule = (TestAbstractRule) ois.readObject();
        ois.close();

        // Verify
        assertEquals("serializeRule", deserializedRule.getRuleId());
        assertNotNull(deserializedRule.getResponseProcessor());

  }

  Object writeReplace() {
    return new SerializedForm<>(asMapOfRanges());
  }

  @J2ktIncompatible // java.io.ObjectInputStream
  private void readObject(ObjectInputStream stream) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

  @J2ktIncompatible private static final long serialVersionUID = 0;

        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        ObjectInputStream ois = new ObjectInputStream(bais);
        CrawlerSystemException deserialized = (CrawlerSystemException) ois.readObject();
        ois.close();

        // Verify
        assertNotNull(deserialized);
        assertEquals(original.getMessage(), deserialized.getMessage());
        assertNotNull(deserialized.getCause());

  }

  @Override
  @J2ktIncompatible // serialization
  Object writeReplace() {
    return new SerializedForm<>(this);
  }

  @J2ktIncompatible // serialization
  private void readObject(ObjectInputStream stream) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

  /**

        // Deserialize
        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        ObjectInputStream ois = new ObjectInputStream(bais);
        TestRule deserializedRule = (TestRule) ois.readObject();
        ois.close();

        // Verify
        assertEquals(originalRule.getRuleId(), deserializedRule.getRuleId());
        assertNotNull(deserializedRule.getResponseProcessor());