9 files declare their use of SmsEvents in SMS Framework 8

DefaultSmsProvider.php in src/Provider/DefaultSmsProvider.php

PhoneNumberProvider.php in src/Provider/PhoneNumberProvider.php

SmsDeliveryReportsProcessor.php in src/EventSubscriber/SmsDeliveryReportsProcessor.php

SmsEntityPhoneNumberProcessor.php in src/EventSubscriber/SmsEntityPhoneNumberProcessor.php

SmsEventSubscriber.php in modules/sms_user/src/EventSubscriber/SmsEventSubscriber.php

SmsFrameworkProviderTest.php in tests/src/Kernel/SmsFrameworkProviderTest.php

SmsMessageProcessor.php in src/EventSubscriber/SmsMessageProcessor.php

SmsTestEventSubscriber.php in tests/modules/sms_test/src/EventSubscriber/SmsTestEventSubscriber.php

SmsTestGatewayEventSubscriber.php in tests/modules/sms_test_gateway/src/EventSubscriber/SmsTestGatewayEventSubscriber.php