    # File lib/active_record/base.rb, line 1366
          def human_attribute_name(attribute_key_name, options = {})
            defaults = self_and_descendants_from_active_record.map do |klass|
              "#{klass.name.underscore}.#{attribute_key_name}""#{klass.name.underscore}.#{attribute_key_name}"
            end
            defaults << options[:default] if options[:default]
            defaults.flatten!
            defaults << attribute_key_name.humanize
            options[:count] ||= 1
            I18n.translate(defaults.shift, options.merge(:default => defaults, :scope => [:activerecord, :attributes]))
          end