{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"ast::Item::MacroDef(ast)"}]}
            ast::Item::MacroDef(ast) => self.lower_macro_def(ast)?.into(),
            ast::Item::MacroRules(ast) => self.lower_macro_rules(ast)?.into(),
            ast::Item::ExternBlock(ast) => self.lower_extern_block(ast).into(),