display_field_copy-2.x-dev/display_field_copy.routing.yml

ds.manage_display_field_copy_field:
  path: admin/structure/ds/fields/display_field_copy/{field_key}
  defaults:
    _form: \Drupal\display_field_copy\Form\DisplayFieldCopyForm
    _title: 'Edit a copy of a Display Suite field'
  requirements:
    _permission: 'admin fields'
display_field_copy.add:
  path: admin/structure/ds/fields/display_field_copy
  defaults:
    _form: \Drupal\display_field_copy\Form\DisplayFieldCopyForm
    _title: 'Add a copy of a Display Suite field'
  requirements:
    _permission: 'admin fields'