pub unsafe extern "C" fn atk_relation_set_add_relation_by_type(
set: *mut AtkRelationSet,
relationship: AtkRelationType,
target: *mut AtkObject,
)
pub unsafe extern "C" fn atk_relation_set_add_relation_by_type(
set: *mut AtkRelationSet,
relationship: AtkRelationType,
target: *mut AtkObject,
)