ttrss/vendor/open-telemetry/context/Propagation/PropagationGetterInterface.php

26 lines
684 B
PHP
Raw Permalink Normal View History

2023-10-20 14:12:29 +00:00
<?php
declare(strict_types=1);
namespace OpenTelemetry\Context\Propagation;
/**
* @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.6.1/specification/context/api-propagators.md#getter-argument
*/
interface PropagationGetterInterface
{
/**
* Returns the list of all the keys in the carrier.
*
* @see https://github.com/open-telemetry/opentelemetry-specification/blob/v1.6.1/specification/context/api-propagators.md#keys
*
* @return list<string>
*/
public function keys($carrier): array;
/**
* Gets the value of a given key from a carrier.
*/
public function get($carrier, string $key) : ?string;
}