{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"///"}]}
    /// Cache of constant strings,
    pub vtables: RefCell<FxHashMap<(Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>), &'ll Value>>,
    pub const_str_cache: RefCell<FxHashMap<String, &'ll Value>>,