package Net::EtcDv2::Node::Key {
    use strictures;
    use utf8;
    use English;

    use feature ":5.30";
    use feature 'lexical_subs';
    use feature 'signatures';
    use feature 'switch';
    no warnings "experimental::signatures";
    no warnings "experimental::smartmatch";

    use boolean;

    true;
}