The property's new value is included in emissions of PropertiesChanged
The property is announced as invalidated, without its value, in emissions of PropertiesChanged
The property can be read using Get and GetAll
The property can be written using Set
Bitfield representing allowed access to a property. At most one of %TP_DBUS_PROPERTIES_MIXIN_FLAG_EMITS_CHANGED and %TP_DBUS_PROPERTIES_MIXIN_FLAG_EMITS_INVALIDATED may be specified for a property.
Since 0.11.5, there is a corresponding #GFlagsClass type, %TP_TYPE_DBUS_PROPERTIES_MIXIN_FLAGS.