{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"ProcMacro(AstId<ast::Fn>,"}]}
    ProcMacro(AstId<ast::Fn>, CustomProcMacroExpander, ProcMacroKind),
    BuiltInEager(AstId<ast::Macro>, EagerExpander),
}