body_type_msg

# File lib/net/imap.rb, line 2248
      def body_type_msg
        mtype, msubtype = media_type
        match(T_SPACE)
        param, content_id, desc, enc, size = body_fields
        match(T_SPACE)
        env = envelope
        match(T_SPACE)
        b = body
        match(T_SPACE)
        lines = number
        md5, disposition, language, extension = body_ext_1part
        return BodyTypeMessage.new(mtype, msubtype,
                                   param, content_id,
                                   desc, enc, size,
                                   env, b, lines,
                                   md5, disposition, language, extension)
      end