{"ast_node_type":"other","tokens":[{"end":26,"kind":"keyword","start":0,"text":"|"}]}
            | ty::Param(_)
            ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_))
            | ty::Bound(_, _) => bug!("unexpected self type: {self_ty}"),