int bus_property_append_int32(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_uint32(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_uint64(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_int32(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_uint32(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_uint64(Manager *m, DBusMessageIter *i, const char *property, void *data);