7 files declare their use of TranslationManager

ContextDefinitionIsSatisfiedTest.php in core/tests/Drupal/Tests/Core/Plugin/Context/ContextDefinitionIsSatisfiedTest.php
EntityContextDefinitionIsSatisfiedTest.php in core/tests/Drupal/Tests/Core/Plugin/Context/EntityContextDefinitionIsSatisfiedTest.php
EntityTypeTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityTypeTest.php
HelpTopicSection.php in core/modules/help/src/Plugin/HelpSection/HelpTopicSection.php
TranslationManager.php in core/modules/locale/src/TranslationManager.php
TranslationManagerTest.php in core/tests/Drupal/Tests/Core/StringTranslation/TranslationManagerTest.php
UnitTestCase.php in core/tests/Drupal/Tests/UnitTestCase.php

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