6 files declare their use of SqlEntityStorageInterface

EntityViewsData.php in core/modules/views/src/EntityViewsData.php
FieldStorageCreateCheckSubscriber.php in core/lib/Drupal/Core/Test/EventSubscriber/FieldStorageCreateCheckSubscriber.php
KernelTestBase.php in core/tests/Drupal/KernelTests/KernelTestBase.php
Tables.php in core/lib/Drupal/Core/Entity/Query/Sql/Tables.php
ViewsTestQueryAccessHooks.php in core/modules/views/tests/modules/views_test_query_access/src/Hook/ViewsTestQueryAccessHooks.php
views_test_query_access.module in core/modules/views/tests/modules/views_test_query_access/views_test_query_access.module

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