encode_with

# File activemodel/lib/active_model/attribute.rb, line 128
    def encode_with(coder)
      coder["name"] = name
      coder["value_before_type_cast"] = value_before_type_cast unless value_before_type_cast.nil?
      coder["type"] = type if type
      coder["original_attribute"] = original_attribute if original_attribute
      coder["value"] = value if defined?(@value)
    end