$t = $tl->useTranslation($player->getLocale());
$player->sendMessage($t("message-key"));

$t = $tl->useTranslation("lang", "namespace"));
$player->sendMessage($t("message-with-params", [
  "count" => 1
]));

public function translate(string $key, array $params = [], ?string $lang = null, ?string $namespace = null): string;

use xerenahmed\TL\TL;

$tl = TL::init();
$tl->load("locales/");

.
└── namespace name
    ├── de.json
    ├── en.json
    └── tr.json

.
├── locales
│   └── common
│       ├── de.json
│       ├── en.json
│       └── tr.json
├── plugin.yml
└── src