class ActiveModelSerializers::Model

def updated_at

Returns:
  • (String, Numeric, Time) -

Other tags:
    Note: - Though +updated_at+ and +updated_at=+ are defined, it will only show up 
def updated_at
  attributes.fetch(:updated_at) do
    defined?(@updated_at) ? @updated_at : File.mtime(__FILE__)
  end
end