Create a new relation for the specified key and the specified list of targets. See also atk_object_add_relationship().
an array of pointers to AtkObjects. [array length=n_targets]
an AtkRelationType with which to create the new AtkRelation
ConstructionException GTK+ fails to create the object.
See Implementation
Create a new relation for the specified key and the specified list of targets. See also atk_object_add_relationship().