itstructure / yii2-template-simple

        return SignatureProvider::defaultProvider();

    }

    public static function _default_signature_version(array &$args)

    {

        if (isset($args['config']['signature_version'])) {

            return $args['config']['signature_version'];

        }

        $args['__partition_result'] = isset($args['__partition_result'])

            ? isset($args['__partition_result'])

            : call_user_func(PartitionEndpointProvider::defaultProvider(), [

                'service' => $args['service'],

                'region' => $args['region'],

            ]);

        return isset($args['__partition_result']['signatureVersion'])

            ? $args['__partition_result']['signatureVersion']

            : $args['api']->getSignatureVersion();

    }

    public static function _default_signing_name(array &$args)

    {

        return $args['service'];

    }

    public static function _default_signing_region(array &$args)

    {

        if (isset($args['config']['signing_region'])) {

            return $args['config']['signing_region'];

        }

        $args['__partition_result'] = isset($args['__partition_result'])

            ? isset($args['__partition_result'])

            : call_user_func(PartitionEndpointProvider::defaultProvider(), [

                'service' => $args['service'],

                'region' => $args['region'],

            ]);

        return isset($args['__partition_result']['signingRegion'])

            ? $args['__partition_result']['signingRegion']

            : $args['region'];

    }

    public static function _missing_version(array $args)

    {