16 files declare their use of PaymentMethodManagerInterface in Payment 8.2

EntityCrud.php in src/Hook/EntityCrud.php

ListPaymentMethods.php in src/Controller/ListPaymentMethods.php

ListPaymentMethodsTest.php in tests/src/Unit/Controller/ListPaymentMethodsTest.php

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

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

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

PaymentFormTest.php in modules/payment_form/tests/src/Unit/Entity/Payment/PaymentFormTest.php

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

PaymentMethodLabelTest.php in tests/src/Unit/Plugin/views/field/PaymentMethodLabelTest.php

PaymentMethodTest.php in tests/src/Unit/Plugin/views/filter/PaymentMethodTest.php

PaymentReferenceBaseTest.php in tests/src/Unit/Element/PaymentReferenceBaseTest.php

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

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

PaymentReferenceTest.php in modules/payment_reference/tests/src/Unit/Element/PaymentReferenceTest.php

PaymentTest.php in tests/src/Unit/PaymentTest.php

PermissionsTest.php in tests/src/Unit/PermissionsTest.php