{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"matches!(tcx.opt_rpitit_info(def_id),"}]}
            matches!(tcx.opt_rpitit_info(def_id), Some(ty::ImplTraitInTraitData::Trait { .. }))
            // Only encode variances for RPITITs (for traits)
        }