{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"//"}]}
    // be all resolved to the last one defined if shadowing happens.
    // FIXME: Macro shadowing in one module is not properly handled. Non-item place macros will
    legacy_macros: FxHashMap<Name, SmallVec<[MacroId; 2]>>,