# File lib/aws/simple_db/delete_attributes.rb, line 24
      def delete_named_attributes *attribute_names
        expect_opts = attribute_names.pop if attribute_names.last.kind_of?(Hash)
        attributes = attribute_names.flatten.collect{|n| { :name => n.to_s } }
        opts = {
          :domain_name => item.domain.name,
          :item_name => item.name,
          :attributes => attributes,
          :expected => expect_condition_opts(expect_opts || {})
        }
        opts.delete(:expected) if opts[:expected].empty?
        client.delete_attributes(opts) unless attributes.empty?
      end