{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"builtin_types_bindings:"}]}
    builtin_types_bindings: FxHashMap<Symbol, NameBinding<'ra>>,
    dummy_binding: NameBinding<'ra>,
    builtin_attrs_bindings: FxHashMap<Symbol, NameBinding<'ra>>,