    # File lib/active_record/validations.rb, line 108
          def generate_full_message(options = {})
            keys = [
              "full_messages.#{@message}""full_messages.#{@message}",
              'full_messages.format''full_messages.format',
              '{{attribute}} {{message}}'
            ]

            options.merge!(:default => keys, :message => self.message)
            I18n.translate(keys.shift, options)
          end