# File lib/amq/client/async/adapter.rb, line 659
        def content_complete?(frames)
          return false if frames.empty?
          header = frames[0]
          raise "Not a content header frame first: #{header.inspect}" unless header.kind_of?(AMQ::Protocol::HeaderFrame)
          header.body_size == frames[1..-1].inject(0) {|sum, frame| sum + frame.payload.size }
        end