edit_ui-8.x-1.x-dev/modules/edit_ui_block/edit_ui_block.routing.yml

edit_ui.block.settings:
  path: '/admin/config/user-interface/edit-ui-block'
  defaults:
    _form: 'Drupal\edit_ui_block\Form\SettingsForm'
    _title: 'Edit UI toolbar'
  requirements:
    _permission: 'administer edit_ui_block toolbar'