{"ast_node_type":"variable","tokens":[{"end":78,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(stmt_list) = prev.parent().and_then(ast::StmtList::cast) {
    if prev.kind() == T!['{'] && ast::Stmt::can_cast(new.kind()) {
            let mut indent = IndentLevel::from_element(&stmt_list.syntax().clone().into());