# File lib/core/message.rb, line 366
    def content
      deprecated __method__, "body"
      size = 16
      loop do
        result = Cproton.pn_message_save(@impl, size)
        error = result[0]
        data = result[1]
        if error == Qpid::Proton::Error::OVERFLOW
          size = size * 2
        else
          check(error)
          return data
        end
      end
    end