4 files declare their use of SessionConfigurationInterface

CsrfRequestHeaderAccessCheck.php in core/lib/Drupal/Core/Access/CsrfRequestHeaderAccessCheck.php
DefaultRequestPolicy.php in core/lib/Drupal/Core/PageCache/DefaultRequestPolicy.php
NoSessionOpen.php in core/lib/Drupal/Core/PageCache/RequestPolicy/NoSessionOpen.php
SessionExistsCacheContext.php in core/lib/Drupal/Core/Cache/Context/SessionExistsCacheContext.php

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