/**
* Get a specific DynamoDb key.
*
* @param DynamoDbModel $model The DynamoDb model.
* @param string $keyName The key name.
* @param string $value The key value.
*
* @return array The DynamoDb key, keyName => value.
*/
protected static function getSpecificDynamoDbKey(DynamoDbModel $model, $keyName, $value)
{
$idKey = $model->marshalItem([$keyName => $value]);
return [$keyName => $idKey[$keyName]];
}
