{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"BuiltIn(AstId<ast::Macro>,"}]}
    BuiltIn(AstId<ast::Macro>, BuiltinFnLikeExpander),
    Declarative(AstId<ast::Macro>),
    BuiltInAttr(AstId<ast::Macro>, BuiltinAttrExpander),