{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"BoundTyKind::Param(def,"}]}
                BoundTyKind::Param(def, _symbol) => {
                BoundTyKind::Anon => rustc_ty::BoundTyKind::Anon,
                    rustc_ty::BoundTyKind::Param(def.0.internal(tables, tcx))