{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"cx.own_predicates_of(goal.predicate.def_id())"}]}
                cx.own_predicates_of(goal.predicate.def_id())
                GoalSource::AliasWellFormed,
                    .iter_instantiated(cx, goal.predicate.alias.args)