{"ast_node_type":"function","tokens":[{"end":99,"kind":"keyword","start":0,"text":"fn"}]}
    fn parse_errors(db: &dyn RootQueryDb, file_id: EditionedFileId) -> Option<Box<[SyntaxError]>> {
    #[salsa_macros::tracked(returns(ref))]
        let errors = db.parse(file_id).errors();