{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"ClosureOutlivesSubject::Region(re)"}]}
                ClosureOutlivesSubject::Region(re) => closure_mapping[re].into(),
            let subject = match outlives_requirement.subject {
                ClosureOutlivesSubject::Ty(subject_ty) => {