12 files declare their use of CacheableBadRequestHttpException in Drupal 9

CacheableExceptionTest.php in core/tests/Drupal/Tests/Core/Http/CacheableExceptionTest.php

EntityCondition.php in core/modules/jsonapi/src/Query/EntityCondition.php

EntityResource.php in core/modules/jsonapi/src/Controller/EntityResource.php

FieldResolver.php in core/modules/jsonapi/src/Context/FieldResolver.php

FieldResolverTest.php in core/modules/jsonapi/tests/src/Kernel/Context/FieldResolverTest.php

FilterTest.php in core/modules/jsonapi/tests/src/Kernel/Query/FilterTest.php

JsonApiRequestValidator.php in core/modules/jsonapi/src/EventSubscriber/JsonApiRequestValidator.php

OffsetPage.php in core/modules/jsonapi/src/Query/OffsetPage.php

ResourceVersionRouteEnhancer.php in core/modules/jsonapi/src/Revisions/ResourceVersionRouteEnhancer.php

Sort.php in core/modules/jsonapi/src/Query/Sort.php

VersionNegotiator.php in core/modules/jsonapi/src/Revisions/VersionNegotiator.php

VersionNegotiatorTest.php in core/modules/jsonapi/tests/src/Kernel/Revisions/VersionNegotiatorTest.php