8 files declare their use of EntityHandlerBase in CMS Content Sync 8

DefaultConfigEntityHandler.php in src/Plugin/cms_content_sync/entity_handler/DefaultConfigEntityHandler.php

DefaultContentEntityHandler.php in src/Plugin/cms_content_sync/entity_handler/DefaultContentEntityHandler.php

DefaultCropHandler.php in src/Plugin/cms_content_sync/entity_handler/DefaultCropHandler.php

DefaultFieldCollectionItemHandler.php in src/Plugin/cms_content_sync/entity_handler/DefaultFieldCollectionItemHandler.php

DefaultMediaHandler.php in src/Plugin/cms_content_sync/entity_handler/DefaultMediaHandler.php

DefaultMenuLinkContentHandler.php in src/Plugin/cms_content_sync/entity_handler/DefaultMenuLinkContentHandler.php

DefaultNodeHandler.php in src/Plugin/cms_content_sync/entity_handler/DefaultNodeHandler.php

DefaultTaxonomyHandler.php in src/Plugin/cms_content_sync/entity_handler/DefaultTaxonomyHandler.php