{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"traits::ObligationCauseCode::WellFormed(Some(traits::WellFormedLoc::Ty(def_id))),"}]}
            traits::ObligationCauseCode::WellFormed(Some(traits::WellFormedLoc::Ty(def_id))),
            def_id,
        ),