void (*hook_xreq_subcallsync)(void * closure, const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args);
void (*hook_xreq_subcallsync_result)(void * closure, const struct afb_xreq *xreq, int status, struct json_object *result);
void (*hook_xreq_vverbose)(void * closure, const struct afb_xreq *xreq, int level, const char *file, int line, const char *func, const char *fmt, va_list args);
void (*hook_xreq_subcallsync)(void * closure, const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args);
void (*hook_xreq_subcallsync_result)(void * closure, const struct afb_xreq *xreq, int status, struct json_object *result);
void (*hook_xreq_vverbose)(void * closure, const struct afb_xreq *xreq, int level, const char *file, int line, const char *func, const char *fmt, va_list args);