search_api_autocomplete-8.x-1.x-dev/search_api_autocomplete.routing.yml

search_api_autocomplete.autocomplete:
  path: /search_api_autocomplete/{search_api_autocomplete_search}
  defaults:
    _controller: \Drupal\search_api_autocomplete\Controller\AutocompleteController::autocomplete
  requirements:
    _search_api_autocomplete: 'TRUE'

search_api_autocomplete.admin_overview:
  path: /admin/config/search/search-api/index/{search_api_index}/autocomplete
  defaults:
    _form: \Drupal\search_api_autocomplete\Form\IndexOverviewForm
    title: 'Autocomplete'
  requirements:
    _permission: administer search_api_autocomplete