{"ast_node_type":"variable","tokens":[{"end":62,"kind":"keyword","start":0,"text":"let"}]}
        let _p = tracing::info_span!("attrs_query").entered();
    pub(crate) fn attrs_query(db: &dyn DefDatabase, def: AttrDefId) -> Attrs {
        // FIXME: this should use `Trace` to avoid duplication in `source_map` below