25 lines
480 B
PHP
25 lines
480 B
PHP
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<?php
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declare(strict_types=1);
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namespace OpenTelemetry\SDK\Metrics;
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use OpenTelemetry\SDK\Metrics\Data\Metric;
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interface MetricSourceInterface
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{
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/**
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* Returns the last metric collection timestamp.
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*
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* @return int last collection timestamp
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*/
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public function collectionTimestamp(): int;
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/**
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* Collects metric data from the underlying provider.
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*
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* @return Metric collected metric
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*/
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public function collect(): Metric;
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}
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