@Override
    public boolean isAvailable() {
        return this.isAvailable;
    }
An implementation of a REST client for the
<a href="https://developer.lingo24.com/premium-machine-translation-api">Premium MT API v1</a>.
You can sign up for an access plan online on the <a href="https://developer.lingo24.com/plans">Lingo24 Developer Portal</a>
and set your Application's User Key in the <code>translator.lingo24.properties</code> file.
tika-translate/src/main/java/org/apache/tika/language/translate/impl/Lingo24Translator.java