commerce-8.x-2.8/modules/payment/commerce_payment.libraries.yml

payment_method_form:
  version: VERSION
  css:
    theme:
      css/commerce_payment.payment_method_form.css: {}

payment_method_icons:
  version: VERSION
  css:
    theme:
      css/commerce_payment.payment_method_icons.css: {}

offsite_redirect:
  version: VERSION
  js:
    js/offsite-redirect.js: {}
  dependencies:
    - core/jquery
    - core/drupal
    - core/drupalSettings