{"ast_node_type":"variable","tokens":[{"end":24,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(m) =
    for val in attrs.by_key(sym::doc).attrs().filter_map(|attr| attr.string_value_unescape()) {
            val.lines().filter_map(|line| line.chars().position(|c| !c.is_whitespace())).min()