{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"if"}]}
    if let Some(comma) = item.syntax().next_sibling_or_token().filter(|it| it.kind() == T![,]) {
fn remove_possible_comma(item: &impl AstNode, res: &mut FxHashSet<SyntaxElement>) {
        res.insert(comma);