{"ast_node_type":"variable","tokens":[{"end":56,"kind":"keyword","start":0,"text":"let"}]}
    let path_without_in_token = vis.in_token().is_none()
fn validate_visibility(vis: ast::Visibility, errors: &mut Vec<SyntaxError>) {
        && vis.path().and_then(|p| p.as_single_name_ref()).and_then(|n| n.ident_token()).is_some();