refreshless-8.x-1.x-dev/modules/refreshless_turbo/tests/modules/refreshless_turbo_library_alter_test/refreshless_turbo_library_alter_test.libraries.yml

alter_basic:
  js:
    js/alter_basic.js: {}

alter_already_header:
  js:
    js/alter_already_header.js: {}
  header: true