* unspecified, stale cache responses will not be used.
     *
     * @param maxStale a non-negative integer. This is stored and transmitted with
     *     [TimeUnit.SECONDS] precision; finer precision will be lost.
     */
    fun maxStale(
      maxStale: Int,
      timeUnit: TimeUnit,
    ) = apply {
      require(maxStale >= 0) { "maxStale < 0: $maxStale" }

  }

  @Test
  @Throws(Exception::class)
  fun completeBuilder() {
    val cacheControl =
      CacheControl
        .Builder()
        .noCache()
        .noStore()
        .maxAge(1.seconds)
        .maxStale(2.seconds)
        .minFresh(3.seconds)
        .onlyIfCached()
        .noTransform()
        .immutable()
        .build()
    assertThat(cacheControl.toString()).isEqualTo(

  @Test
  @Throws(Exception::class)
  fun completeBuilder() {
    val cacheControl =
      CacheControl
        .Builder()
        .noCache()
        .noStore()
        .maxAge(1, TimeUnit.SECONDS)
        .maxStale(2, TimeUnit.SECONDS)
        .minFresh(3, TimeUnit.SECONDS)
        .onlyIfCached()
        .noTransform()
        .immutable()
        .build()
    assertThat(cacheControl.toString()).isEqualTo(

  CacheControl
    .Builder()
    .noCache()
    .build()

internal fun CacheControl.Companion.commonForceCache() =
  CacheControl
    .Builder()
    .onlyIfCached()
    .maxStale(Int.MAX_VALUE.seconds)
    .build()

internal fun CacheControl.Builder.commonBuild(): CacheControl =
  CacheControl(
    noCache = noCache,
    noStore = noStore,
    maxAgeSeconds = maxAgeSeconds,

 * seconds:
 *
 * ```java
 * Request request = new Request.Builder()
 *     .cacheControl(new CacheControl.Builder()
 *         .maxStale(365, TimeUnit.DAYS)
 *         .build())
 *     .url("http://publicobject.com/helloworld.txt")
 *     .build();
 * ```
 *

	public final fun maxAge (ILjava/util/concurrent/TimeUnit;)Lokhttp3/CacheControl$Builder;
	public final fun maxAge-LRDsOJo (J)Lokhttp3/CacheControl$Builder;
	public final fun maxStale (ILjava/util/concurrent/TimeUnit;)Lokhttp3/CacheControl$Builder;
	public final fun maxStale-LRDsOJo (J)Lokhttp3/CacheControl$Builder;
	public final fun minFresh (ILjava/util/concurrent/TimeUnit;)Lokhttp3/CacheControl$Builder;

	public final fun maxAge (ILjava/util/concurrent/TimeUnit;)Lokhttp3/CacheControl$Builder;
	public final fun maxAge-LRDsOJo (J)Lokhttp3/CacheControl$Builder;
	public final fun maxStale (ILjava/util/concurrent/TimeUnit;)Lokhttp3/CacheControl$Builder;
	public final fun maxStale-LRDsOJo (J)Lokhttp3/CacheControl$Builder;
	public final fun minFresh (ILjava/util/concurrent/TimeUnit;)Lokhttp3/CacheControl$Builder;

    var builder: CacheControl.Builder = CacheControl.Builder()
    builder = builder.noCache()
    builder = builder.noStore()
    builder = builder.maxAge(0, TimeUnit.MILLISECONDS)
    builder = builder.maxStale(0, TimeUnit.MILLISECONDS)
    builder = builder.minFresh(0, TimeUnit.MILLISECONDS)
    builder = builder.onlyIfCached()
    builder = builder.noTransform()
    builder = builder.immutable()

    * objets JSON (`dict`).
    * tableaux JSON (`list`) définissant les types d'éléments.
    * champs String (`str`), définition des longueurs minimale et maximale.
    * nombres (`int`, `float`) avec valeurs minimale et maximale, etc.

* Validation pour des types plus exotiques, comme :
    * URL.
    * Email.
    * UUID.
    * ... et autres.

Und das `dict`, welches Sie als `weights` erhalten, wird `int`-Schlüssel und `float`-Werte haben.

///

## Zusammenfassung { #recap }

Mit **FastAPI** haben Sie die maximale Flexibilität von Pydantic-Modellen, während Ihr Code einfach, kurz und elegant bleibt.

Aber mit all den Vorzügen:

* Editor-Unterstützung (Codevervollständigung überall)