<?php declare(strict_types=1); namespace OpenTelemetry\Context; interface ContextStorageInterface { /** * Returns the current scope. * * @return ContextStorageScopeInterface|null current scope, or null if no * scope was attached in the current execution unit */ public function scope(): ?ContextStorageScopeInterface; /** * Returns the current context. * * @return ContextInterface current context */ public function current(): ContextInterface; /** * Attaches the context as active context. * * @param ContextInterface $context context to attach * @return ContextStorageScopeInterface scope to detach the context and * restore the previous context */ public function attach(ContextInterface $context): ContextStorageScopeInterface; }
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