void (*type_str)(Visitor *v, char **obj, const char *name, Error **errp);
void (*type_number)(Visitor *v, double *obj, const char *name,
Error **errp);
+ void (*type_any)(Visitor *v, QObject **obj, const char *name,
+ Error **errp);
/* May be NULL */
void (*optional)(Visitor *v, bool *present, const char *name,