{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"MacroDefKind::BuiltInEager(_,"}]}
            MacroDefKind::BuiltInEager(_, expander) => TokenExpander::BuiltInEager(expander),
            MacroDefKind::BuiltInDerive(_, expander) => TokenExpander::BuiltInDerive(expander),
            MacroDefKind::ProcMacro(_, expander, _) => TokenExpander::ProcMacro(expander),