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<?php
declare(strict_types=1);
namespace OpenTelemetry\SDK\Trace;
use OpenTelemetry\SDK\Common\Future\CancellationInterface;
use OpenTelemetry\SDK\Common\Future\FutureInterface;
/**
* @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.7.0/specification/trace/sdk.md#span-exporter
*/
interface SpanExporterInterface
{
/**
* @param iterable<SpanDataInterface> $batch Batch of spans to export
*
* @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.7.0/specification/trace/sdk.md#exportbatch
*
* @psalm-return FutureInterface<bool>
*/
public function export(iterable $batch, ?CancellationInterface $cancellation = null): FutureInterface;
/** @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.7.0/specification/trace/sdk.md#shutdown-2 */
public function shutdown(?CancellationInterface $cancellation = null): bool;
/** @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.7.0/specification/trace/sdk.md#forceflush-2 */
public function forceFlush(?CancellationInterface $cancellation = null): bool;
}
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