7 files declare their use of SyncException in CMS Content Sync 2.0.x

cms_content_sync.module in ./cms_content_sync.module

Module file for cms_content_sync.

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

EntityHandlerBase.php in src/Plugin/EntityHandlerBase.php

EntityResource.php in src/Plugin/rest/resource/EntityResource.php

PushIntent.php in src/PushIntent.php

SyncCoreEntityItemResource.php in src/Plugin/rest/resource/SyncCoreEntityItemResource.php

SyncIntent.php in src/SyncIntent.php