{"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"let"}]}
        let ptr = InFile::new(source.file_id, AstPtr::new(&macro_call_node));
        let ast_id = InFile::new(source.file_id, ast_id);
        let macro_call_id = resolve(&db, def_map, ast_id, ptr)