{"ast_node_type":"function","tokens":[{"end":96,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn feed_anon_const_type(self, key: LocalDefId, value: ty::EarlyBinder<'tcx, Ty<'tcx>>) {
    /// to the only allowed case.
        debug_assert_eq!(self.def_kind(key), DefKind::AnonConst);