{"ast_node_type":"variable","tokens":[{"end":90,"kind":"keyword","start":0,"text":"let"}]}
        let editioned_file_id = EditionedFileId::from_span(db, err.span().anchor.file_id);
        let RenderedExpandError { message, error, kind } = err.render_to_string(db);
        let precise_location = if editioned_file_id == file_id {