14 files declare their use of CiviCrmApiInterface in CiviCRM Entity 8.3

ActivityAttachments.php in src/Plugin/views/field/ActivityAttachments.php

CivicrmEntityTestBase.php in tests/src/Kernel/CivicrmEntityTestBase.php

CivicrmStorageGetTest.php in tests/src/Kernel/CivicrmStorageGetTest.php

ContactReference.php in src/Plugin/views/filter/ContactReference.php

ContactSubtype.php in src/Plugin/views/argument_default/ContactSubtype.php

CustomEntityField.php in src/Plugin/views/field/CustomEntityField.php

CustomFile.php in src/Plugin/views/field/CustomFile.php

CustomMultiValue.php in src/Plugin/Field/FieldFormatter/CustomMultiValue.php

EntityReverseLocation.php in src/Plugin/views/relationship/EntityReverseLocation.php

InOperator.php in src/Plugin/views/filter/InOperator.php

Proximity.php in src/Plugin/views/filter/Proximity.php

QueryFactory.php in src/Entity/Query/CiviCRM/QueryFactory.php

StateProvinceIsoFormatter.php in src/Plugin/Field/FieldFormatter/StateProvinceIsoFormatter.php

UserCreate.php in src/Plugin/RulesAction/UserCreate.php