Elastica\Transport\AwsAuthV4::getCredentialProvider PHP Метод

    private function getCredentialProvider()
    {
        $connection = $this->getConnection();
        if ($connection->hasParam('aws_secret_access_key')) {
            return CredentialProvider::fromCredentials(new Credentials($connection->getParam('aws_access_key_id'), $connection->getParam('aws_secret_access_key'), $connection->hasParam('aws_session_token') ? $connection->getParam('aws_session_token') : null));
        }
        return CredentialProvider::defaultProvider();
    }