Adds interface_type to the static instantiable_type. The information contained in the GInterfaceInfo structure pointed to by info is used to manage the relationship.
GType value of an instantiable type
GType value of an interface type
GInterfaceInfo structure for this (instance_type, interface_type) combination
Adds interface_type to the static instantiable_type. The information contained in the GInterfaceInfo structure pointed to by info is used to manage the relationship.