///

`response_model` nimmt denselben Typ entgegen, den Sie auch für ein Pydantic-Modellfeld deklarieren würden, also etwa ein Pydantic-Modell, aber es kann auch z. B. eine `list`e von Pydantic-Modellen sein, wie etwa `List[Item]`.

FastAPI wird dieses `response_model` nehmen, um die Daten zu dokumentieren, validieren, usw. und auch, um **die Ausgabedaten** entsprechend der Typdeklaration **zu konvertieren und filtern**.

/// tip | Tipp

///

## 深くネストされたモデル { #deeply-nested-models }

深くネストされた任意のモデルを定義することができます:

{* ../../docs_src/body_nested_models/tutorial007_py310.py hl[7,12,18,21,25] *}

/// info | 情報

`Offer`は`Item`のリストであり、それらがさらにオプションの`Image`のリストを持っていることに注目してください。

///

## 純粋なリストのボディ { #bodies-of-pure-lists }

期待するJSONボディのトップレベルの値がJSON`array`（Pythonの`list`）であれば、Pydanticモデルと同じように、関数のパラメータで型を宣言することができます:

```Python

/// tip | 提示

請注意，就像在[路徑操作裝飾器中的相依性](dependencies/dependencies-in-path-operation-decorators.md)一樣，不會把任何值傳遞給你的路徑操作函式（path operation function）。

///

最後的結果是這些 item 的路徑如下：

* `/items/`
* `/items/{item_id}`

...正如我們預期的。

* 它們會被標記為只有一個字串 `"items"` 的標籤清單。
    * 這些「標籤」對自動互動式文件系統（使用 OpenAPI）特別有用。
* 它們都會包含預先定義的 `responses`。
* 這些路徑操作都會在執行前評估 / 執行其 `dependencies` 清單。

[ *path operation decorator*’larındaki dependency’lerde](dependencies/dependencies-in-path-operation-decorators.md) olduğu gibi, *path operation function*’ınıza herhangi bir değer aktarılmayacağını unutmayın.

///

Sonuç olarak item path’leri artık:

* `/items/`
* `/items/{item_id}`

...tam da istediğimiz gibi olur.

* Hepsi, içinde tek bir string `"items"` bulunan bir tag listesiyle işaretlenir.

      private var canRemove = false

      override fun hasNext(): Boolean {
        if (nextUrl != null) return true

        canRemove = false // Prevent delegate.remove() on the wrong item!
        while (delegate.hasNext()) {
          try {
            delegate.next().use { snapshot ->
              val metadata = snapshot.getSource(ENTRY_METADATA).buffer()

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---

    assertEquals(ImmutableList.of(-1, 3, 5), result);
  }

  public void testLeastOfIterator_simple_nMinusOne_withNullElement() {
    Iterator<@Nullable Integer> itr = Iterators.forArray(3, null, 5, -1);
    List<@Nullable Integer> result = Ordering.<Integer>natural().nullsLast().leastOf(itr, 3);
    assertTrue(result instanceof RandomAccess);
    assertListImmutable(result);
    assertEquals(ImmutableList.of(-1, 3, 5), result);
  }

    assertEquals(ImmutableList.of(-1, 3, 5), result);
  }

  public void testLeastOfIterator_simple_nMinusOne_withNullElement() {
    Iterator<@Nullable Integer> itr = Iterators.forArray(3, null, 5, -1);
    List<@Nullable Integer> result = Ordering.<Integer>natural().nullsLast().leastOf(itr, 3);
    assertTrue(result instanceof RandomAccess);
    assertListImmutable(result);
    assertEquals(ImmutableList.of(-1, 3, 5), result);
  }

          nextStart = offset;
          continue;
        }

        if (limit == 1) {
          // The limit has been reached, return the rest of the string as the
          // final item. This is tested after empty string removal so that
          // empty strings do not count towards the limit.
          end = toSplit.length();
          offset = -1;

func (e BucketReplicationSourceNotVersioned) Error() string {
	return "Replication source does not have versioning enabled: " + e.Bucket
}

// TransitionStorageClassNotFound remote tier not configured.
type TransitionStorageClassNotFound GenericError

func (e TransitionStorageClassNotFound) Error() string {
	return "Transition storage class not found "
}