class UnknownTypeHandler extends BaseTypeHandler<Object> {

    @Override
    public Object getNullableResult(ResultSet rs, String columnName)
            throws SQLException {
        TypeHandler<?> handler = resolveTypeHandler(rs, columnName);
        return handler.getResult(rs, columnName);
    }

    public  UnknownTypeHandler(Configuration configuration);
    @Deprecated public  UnknownTypeHandler(TypeHandlerRegistry typeHandlerRegistry);

}