<?php namespace Aws\S3\Crypto; use Aws\Crypto\MaterialsProviderInterfaceV2; trait CryptoParamsTraitV2 { use CryptoParamsTrait; protected function getMaterialsProvider(array $args) { if ($args['@MaterialsProvider'] instanceof MaterialsProviderInterfaceV2) { return $args['@MaterialsProvider']; } throw new \InvalidArgumentException('An instance of MaterialsProviderInterfaceV2' . ' must be passed in the "MaterialsProvider" field.'); } }