13 files declare their use of EventDispatcherInterface in Payment 8.2

Basic.php in src/Plugin/Payment/Method/Basic.php

DatabaseQueueTest.php in tests/src/Unit/DatabaseQueueTest.php

EventDispatcherCollectionTest.php in tests/src/Unit/EventDispatcherCollectionTest.php

PaymentForm.php in modules/payment_form/src/Plugin/Payment/Type/PaymentForm.php

PaymentFormTest.php in modules/payment_form/tests/src/Unit/Plugin/Payment/Type/PaymentFormTest.php

PaymentMethodBase.php in src/Plugin/Payment/Method/PaymentMethodBase.php

PaymentMethodBaseTestBase.php in tests/src/Unit/Plugin/Payment/Method/PaymentMethodBaseTestBase.php

PaymentReference.php in modules/payment_reference/src/Plugin/Payment/Type/PaymentReference.php

PaymentReferenceTest.php in modules/payment_reference/tests/src/Unit/Plugin/Payment/Type/PaymentReferenceTest.php

PaymentTypeBase.php in src/Plugin/Payment/Type/PaymentTypeBase.php

PaymentTypeBaseTest.php in tests/src/Unit/Plugin/Payment/Type/PaymentTypeBaseTest.php

Unavailable.php in src/Plugin/Payment/Type/Unavailable.php

UnavailableTest.php in tests/src/Unit/Plugin/Payment/Type/UnavailableTest.php