# File lib/active_record/base.rb, line 1310
      def human_attribute_name(attribute_key_name, options = {})
        defaults = self_and_descendents_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