{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"ty::BoundVariableKind::Region(ty::BoundRegionKind::Named(def_id))"}]}
            ty::BoundVariableKind::Region(ty::BoundRegionKind::Named(def_id))
        GenericParamKind::Lifetime { .. } => {
        }