attributes_for_coder

# File activerecord/lib/active_record/attribute_methods/serialization.rb, line 192
        def attributes_for_coder
          attribute_names.each_with_object({}) do |name, attrs|
            attrs[name] = if self.class.serialized_attributes.include?(name)
                            @attributes[name].serialized_value
                          else
                            read_attribute(name)
                          end
          end
        end