9 files declare their use of TargetValidationException in Feeds 8.3

ConfigEntityReference.php in src/Feeds/Target/ConfigEntityReference.php

EntityReference.php in src/Feeds/Target/EntityReference.php

FieldTargetBase.php in src/Plugin/Type/Target/FieldTargetBase.php

File.php in src/Feeds/Target/File.php

FileTestBase.php in tests/src/Kernel/Feeds/Target/FileTestBase.php

Password.php in src/Feeds/Target/Password.php

PasswordTest.php in tests/src/Unit/Feeds/Target/PasswordTest.php

UserRole.php in src/Feeds/Target/UserRole.php

UserRoleTest.php in tests/src/Unit/Feeds/Target/UserRoleTest.php