{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"///"}]}
    /// include all the `macro_rules` items and other invocations generated by them.
    /// `macro_rules` scopes *produced* by expanding the macro invocations,
    output_macro_rules_scopes: FxHashMap<LocalExpnId, MacroRulesScopeRef<'ra>>,