6 string references to 'file_copy' in Drupal 9

d6_file.yml in core/modules/file/migrations/d6_file.yml

core/modules/file/migrations/d6_file.yml

d6_user_picture_file.yml in core/modules/user/migrations/d6_user_picture_file.yml

core/modules/user/migrations/d6_user_picture_file.yml

d7_file.yml in core/modules/file/migrations/d7_file.yml

core/modules/file/migrations/d7_file.yml

d7_file_private.yml in core/modules/file/migrations/d7_file_private.yml

core/modules/file/migrations/d7_file_private.yml

d7_file_used.yml in core/modules/file/tests/modules/file_test_get_ids/migrations/d7_file_used.yml

core/modules/file/tests/modules/file_test_get_ids/migrations/d7_file_used.yml

FileCopyTest::doTransform in core/modules/migrate/tests/src/Kernel/process/FileCopyTest.php

Do an import using the destination.