* **Drupal.php (core/lib)** --- (1)
    * setContainer, <del>getContainer</del>, service, request, currentUser, entityManager, database, 
    * cache, keyValueExpirable, lock, config, queue, keyValue, state, httpClient
    * entityQuery, entityQueryAggregate, flood, 
    * moduleHandler, typedData, token
    * urlGenerator, url, linkGenerator, l, translation, languageManager, 
    * csrfToken, transliteration, formBuilder
  * **LocalStream (Drupal\Core\StreamWrapper\)** \\ //(URIs such as "public:/..." are expanded to a normal filesystem path such as ...)//
    * **abgeleitet:** //PrivateStream, PublicStream, TemporaryStream, TranslationsStream, LocalReadOnlyStream, ...//
    * realpath, chmod, setUri, getUri, getMimeType
    * unlink, rename, dirname, mkdir, rmdir
    * url_stat, dir_opendir, dir_readdir, dir_rewinddir, dir_closedir
    * stream_open, stream_lock, stream_read, stream_write, stream_eof, stream_seek, stream_flush, stream_tell, stream_stat, stream_close, stream_cast