{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"MacroDefKind::BuiltIn(_,"}]}
            MacroDefKind::BuiltIn(_, expander) => TokenExpander::BuiltIn(expander),
            }
            MacroDefKind::BuiltInAttr(_, expander) => TokenExpander::BuiltInAttr(expander),