silverstripe-framework/tests/php/i18n/i18nTest/TestObject.php

<?php

namespace SilverStripe\i18n\Tests\i18nTest;

use SilverStripe\Core\Object;
use SilverStripe\Dev\TestOnly;
use SilverStripe\i18n\i18nEntityProvider;

class TestObject extends Object implements TestOnly, i18nEntityProvider
{
    static $my_translatable_property = "Untranslated";

    public static function my_translatable_property()
    {
        return _t("i18nTest_Object.my_translatable_property", self::$my_translatable_property);
    }

    public function provideI18nEntities()
    {
        return array(
            "i18nTest_Object.my_translatable_property" => array(
                self::$my_translatable_property
            )
        );
    }
}