8 files declare their use of LoggerChannelFactoryInterface

EntityReferenceEntityFormatter.php in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php
ExceptionLoggingSubscriber.php in core/lib/Drupal/Core/EventSubscriber/ExceptionLoggingSubscriber.php
MailManager.php in core/lib/Drupal/Core/Mail/MailManager.php
MediaEmbed.php in core/modules/media/src/Plugin/Filter/MediaEmbed.php
OEmbedFormatter.php in core/modules/media/src/Plugin/Field/FieldFormatter/OEmbedFormatter.php
OEmbedResourceConstraintValidator.php in core/modules/media/src/Plugin/Validation/Constraint/OEmbedResourceConstraintValidator.php
ProviderRepository.php in core/modules/media/src/OEmbed/ProviderRepository.php
StorageCopyTraitTest.php in core/tests/Drupal/Tests/Core/Config/StorageCopyTraitTest.php

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