7 files declare their use of ResourceTypeRepository

AliasingResourceTypeRepository.php in core/modules/jsonapi/tests/modules/jsonapi_test_field_aliasing/src/ResourceType/AliasingResourceTypeRepository.php
CountableResourceTypeRepository.php in core/modules/jsonapi/tests/modules/jsonapi_test_collection_count/src/ResourceType/CountableResourceTypeRepository.php
JsonApiDocumentTopLevelNormalizerTest.php in core/modules/jsonapi/tests/src/Unit/Normalizer/JsonApiDocumentTopLevelNormalizerTest.php
RelatedResourceTypesTest.php in core/modules/jsonapi/tests/src/Kernel/ResourceType/RelatedResourceTypesTest.php
ResourceIdentifierNormalizerTest.php in core/modules/jsonapi/tests/src/Unit/Normalizer/ResourceIdentifierNormalizerTest.php
ResourceTypeRepositoryTest.php in core/modules/jsonapi/tests/src/Kernel/ResourceType/ResourceTypeRepositoryTest.php
RoutesTest.php in core/modules/jsonapi/tests/src/Unit/Routing/RoutesTest.php

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