* loop (as in async loop): цикл событий
* Machine Learning: Машинное обучение
* Deep Learning: Глубокое обучение
* callback hell: callback hell (clarify as `ад обратных вызовов`)
* on the fly: на лету
* scratch the surface: поверхностно ознакомиться
* tip: совет (or `подсказка` depending on context)
* Pydantic model: Pydantic-модель (`модель Pydantic` and `Pydantic модель` are also fine)
* declare: объявить

* media type: media type (do not translate to "tipo de medio")
* instantiate: crear un instance (do not translate to "instanciar")
* OAuth2 Scopes: Scopes de OAuth2 (do not translate to "Alcances de OAuth2")
* on the fly: sobre la marcha (do not translate to "al vuelo")
* terminal: terminal (femenine, as in "la terminal")
* terminals: terminales (plural femenine, as in "las terminales")

## Proxy-<abbr title="weitergeleitete Header">Forwarded-Header</abbr> { #proxy-forwarded-headers }

* HTTP Digest
* ISO-Format
* der JSON-Schema-Standard
* das JSON-Schema
* die Schema-Definition
* Password Flow
* Mobile

* deprecatet
* designt
* ungültig
* on the fly
* Standard
* Default
* Groß-/Klein­schrei­bung ist relevant
* Groß-/Klein­schrei­bung ist nicht relevant

* die Anwendung bereitstellen
* die Seite ausliefern

* die App
* die Anwendung

    assertThrows(
        IllegalArgumentException.class,
        () -> Traverser.forGraph(createDirectedGraph()).breadthFirst('a'));
  }

  /**
   * Checks that the elements of the iterable are calculated on the fly. Concretely, that means that
   * {@link SuccessorsFunction#successors(Object)} can only be called for a subset of all nodes.
   */
  @Test
  public void forGraph_breadthFirstIterable_emptyGraph() {

This **proxy** would normally set some HTTP headers on the fly before transmitting the request to the **application server**, to let the application server know that the request is being **forwarded** by the proxy.

/// note | Technical Details

The proxy headers are:

* HTTP Digest
* ISO format
* the JSON Schema standard
* the JSON schema
* the schema definition
* Password Flow
* Mobile

* deprecated
* designed
* invalid
* on the fly
* standard
* default
* case-sensitive
* case-insensitive

* to serve the application
* to serve the page

* the app
* the application

* the request
* the response

     *   lock.lock();
     * }
     * operation();
     * for (Lock lock : locks) {
     *   lock.unlock();
     * }
     *
     * If we only held the int[] stripes, translating it on the fly to L's, the original locks might
     * be garbage collected after locking them, ending up in a huge mess.
     */
    @SuppressWarnings("unchecked") // we carefully replaced all keys with their respective L's