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<?php
declare(strict_types=1);
namespace OpenTelemetry\SDK\Metrics;
use OpenTelemetry\SDK\Metrics\Data\Temporality;
interface MetricMetadataInterface
{
/**
* @return string|InstrumentType
*/
public function instrumentType();
public function name(): string;
public function unit(): ?string;
public function description(): ?string;
/**
* Returns the underlying temporality of this metric.
*
* @return string|Temporality internal temporality
*/
public function temporality();
}
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