Adds @interface_type to the dynamic @instantiable_type. The information contained in the #GTypePlugin structure pointed to by @plugin is used to manage the relationship.
#GType value of an instantiable type
#GType value of an interface type
#GTypePlugin structure to retrieve the #GInterfaceInfo from
See Implementation
Adds @interface_type to the dynamic @instantiable_type. The information contained in the #GTypePlugin structure pointed to by @plugin is used to manage the relationship.