commerce-8.x-2.8/modules/payment_example/commerce_payment_example.routing.yml

commerce_payment_example.dummy_redirect_post:
  path: 'commerce_payment_example/dummy_redirect_post'
  defaults:
    _controller: '\Drupal\commerce_payment_example\Controller\DummyRedirectController::post'
  options:
    no_cache: TRUE
  requirements:
    _access: 'TRUE'
commerce_payment_example.dummy_redirect_302:
  path: 'commerce_payment_example/dummy_redirect_302'
  defaults:
    _controller: '\Drupal\commerce_payment_example\Controller\DummyRedirectController::on302'
  options:
    no_cache: TRUE
  requirements:
    _access: 'TRUE'