# File lib/aws/ec2/resource_tag_collection.rb, line 158
      def each(&blk)
        if cached = cached_tags
          cached.each(&blk)
          return
        end
        @tags.filtered_request(:describe_tags).tag_set.each do |tag|
          if blk.arity == 2
            yield(tag.key, tag.value)
          else
            yield([tag.key, tag.value])
          end
        end
        nil
      end