{"ast_node_type":"variable","tokens":[{"end":60,"kind":"keyword","start":0,"text":"let"}]}
    let token = file.token_at_offset(offset).left_biased()?;
fn token_at_offset_ignore_whitespace(file: &SyntaxNode, offset: TextSize) -> Option<SyntaxToken> {
    algo::skip_whitespace_token(token, Direction::Prev)