extern const char *afb_session_token(struct afb_session *session);
extern int afb_session_timeout(struct afb_session *session);
extern int afb_session_what_remains(struct afb_session *session);
extern const char *afb_session_token(struct afb_session *session);
extern int afb_session_timeout(struct afb_session *session);
extern int afb_session_what_remains(struct afb_session *session);