public static function data()
{
// The encoded values were retrieved by encoding data with the legacy driver and encoding them base64
$simpleArray = ['foo' => 'bar'];
$simpleArrayEncoded = "EgAAAAJmb28ABAAAAGJhcgAA";
$arrayWithObjectId = ['_id' => new \MongoId('1234567890abcdef12345678')];
$arrayWithObjectIdEncoded = "FgAAAAdfaWQAEjRWeJCrze8SNFZ4AA==";
return ['simpleArray' => [base64_decode($simpleArrayEncoded), $simpleArray], 'arrayWithObjectId' => [base64_decode($arrayWithObjectIdEncoded), $arrayWithObjectId]];
}