{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"values.insert(Some(*s));"}]}
                        values.insert(Some(*s));
                    if let Some(LitKind::Str(s, _)) = arg.lit().map(|lit| &lit.kind) {
                    } else if arg.has_name(sym::any)