{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"//"}]}
    // is parsed, placeholders don't get split. e.g. if a template of `$a.to_string()` results in `1
    // Which placeholder tokens need to be wrapped in parenthesis in order to ensure that when `out`
    // + 2.to_string()` then the placeholder value `1 + 2` was split and needs parenthesis.