- `spec.backend` -> `spec.defaultBackend`
  - `serviceName` -> `service.name`
  - `servicePort` -> `service.port.name` (for string values)
  - `servicePort` -> `service.port.number` (for numeric values)
  - `pathType` no longer has a default value in v1; "Exact", "Prefix", or "ImplementationSpecific" must be specified

  Other Ingress API updates:
  - backends can now be resource or service backends

     */
    String getDomainTitle();

    /**
     * Get the value for the key 'search_engine.type'. <br>
     * The value is, e.g. default <br>
     * comment: The type of search engine backend (e.g., default, opensearch).
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getSearchEngineType();

    /**