{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"registered_tool_bindings:"}]}
    registered_tool_bindings: FxHashMap<Ident, NameBinding<'ra>>,
    builtin_attrs_bindings: FxHashMap<Symbol, NameBinding<'ra>>,
    macro_names: FxHashSet<Ident>,