NullSpanConverter.php

<?php

declare (strict_types=1);
namespace OpenTelemetry\SDK\Trace\SpanExporter;

use OpenTelemetry\SDK\Trace\SpanConverterInterface;
class NullSpanConverter implements SpanConverterInterface {
    public function convert(iterable $spans) : array {
        return [
            [],
        ];
    }

}