{"ast_node_type":"variable","tokens":[{"end":37,"kind":"keyword","start":0,"text":"let"}]}
    let path = segment.parent_path();
fn validate_path_keywords(segment: ast::PathSegment, errors: &mut Vec<SyntaxError>) {
    let is_path_start = segment.coloncolon_token().is_none() && path.qualifier().is_none();