- void (*type_uint8)(Visitor *v, uint8_t *obj, const char *name, Error **errp);
- void (*type_uint16)(Visitor *v, uint16_t *obj, const char *name, Error **errp);
- void (*type_uint32)(Visitor *v, uint32_t *obj, const char *name, Error **errp);
- void (*type_uint64)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
- void (*type_int8)(Visitor *v, int8_t *obj, const char *name, Error **errp);
- void (*type_int16)(Visitor *v, int16_t *obj, const char *name, Error **errp);
- void (*type_int32)(Visitor *v, int32_t *obj, const char *name, Error **errp);
- void (*type_int64)(Visitor *v, int64_t *obj, const char *name, Error **errp);
- /* visit_type_size() falls back to (*type_uint64)() if type_size is unset */
- void (*type_size)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
- bool (*start_union)(Visitor *v, bool data_present, Error **errp);
- void (*end_union)(Visitor *v, bool data_present, Error **errp);