msg_shepherd
  (std::vector<account_info>) @msg_id_login
  (bool) 

  (uint32_t, 
   uint32_t, std::vector<File>, std::auto_ptr<File>, uint32_t) @out @msg_id_direct
  (uint32_t, std::vector<File>, std::auto_ptr<File>, uint32_t) @in

  (uint32_t, bool, std::vector<File>) @out
  (uint32_t, bool, flex_string<char>) @out
  (uint32_t, bool) @in
  (std::vector<File>) @in
  (flex_string<char>) @in

  (bool, flex_string<char>) 
  (user_info) 
}