mercury_editor_jsonapi.routing.yml

mercury_editor_jsonapi.field_list.json:
  path: '/jsonapi/mercury-editor/field-list/json'
  defaults:
    _controller: '\Drupal\mercury_editor_jsonapi\Controller\FieldList::listFields'
    _title: 'Mercury Editor Field List'
  requirements:
    _permission: 'administer fields'

mercury_editor_jsonapi.field_list.query_string:
  path: '/mercury-editor/field-list/plaintext'
  defaults:
    _controller: '\Drupal\mercury_editor_jsonapi\Controller\FieldList::queryString'
    _title: 'Mercury Editor Field List'
  requirements:
    _permission: 'administer fields'