public function providerConstructor()
{
return [[['lifetime' => 23], ['lifetime' => 23, 'prefix' => '']], [['prefix' => 'test_'], ['lifetime' => 8600, 'prefix' => 'test_']], [['randomValue' => 'test_'], ['randomValue' => 'test_', 'lifetime' => 8600, 'prefix' => '']], [[123 => 'test_'], [123 => 'test_', 'lifetime' => 8600, 'prefix' => '']], [['lifetime' => 24, 'prefix' => 'test_'], ['lifetime' => 24, 'prefix' => 'test_']], [[], ['lifetime' => 8600, 'prefix' => '']], [null, ['lifetime' => 8600, 'prefix' => '']]];
}