{"ast_node_type":"variable","tokens":[{"end":47,"kind":"keyword","start":0,"text":"let"}]}
            let ast_id = match macro_loc.kind {
            let macro_loc = db.lookup_intern_macro_call(macro_call);
                MacroCallKind::FnLike { ast_id, .. } => ast_id.map(|it| it.erase()),