During the development, I also contributed to [**Starlette**](https://www.starlette.dev/), the other key requirement.

## Development { #development }

By using them, you can take advantage of all these standard-based tools, including these interactive documentation systems.

OpenAPI defines the following security schemes:

* `apiKey`: an application specific key that can come from:
    * A query parameter.
    * A header.
    * A cookie.
* `http`: standard HTTP authentication systems, including:

*경로 처리 데코레이터*에서 이러한 `dependencies`를 사용하면 편집기/도구 오류를 피하면서도 실행되도록 할 수 있습니다.

또한 코드에서 사용되지 않는 매개변수를 보고 불필요하다고 생각할 수 있는 새로운 개발자의 혼란을 방지하는데 도움이 될 수 있습니다.

///

/// info | 정보

이 예시에서 `X-Key`와 `X-Token`이라는 커스텀 헤더를 만들어 사용했습니다.

그러나 실제로 보안을 구현할 때는 통합된 [보안 유틸리티 (다음 챕터)](../security/index.md)를 사용하는 것이 더 많은 이점을 얻을 수 있습니다.

///

## 의존성 오류와 값 반환하기 { #dependencies-errors-and-return-values }

/// tip | 提示

有些编辑器会检查代码中没使用过的函数参数，并显示错误提示。

在*路径操作装饰器*中使用 `dependencies` 参数，可以确保在执行依赖项的同时，避免编辑器/工具报错。

使用路径装饰器依赖项还可以避免开发新人误会代码中包含无用的未使用参数。

///

/// info | 信息

本例中，使用的是自定义响应头 `X-Key` 和 `X-Token`。

但实际开发中，尤其是在实现安全措施时，最好使用 FastAPI 内置的[安全工具（下一章）](../security/index.md)。

///

## 依赖项错误和返回值 { #dependencies-errors-and-return-values }

路径装饰器依赖项也可以使用普通的依赖项*函数*。

options:
  ftp: # settings for MinIO to act as an ftp server
    address: ":8021"
    passive-port-range: "30000-40000"
  sftp: # settings for MinIO to act as an sftp server
    address: ":8022"
    ssh-private-key: "/home/user/.ssh/id_rsa"
```

If you are using the config `v1` YAML you should migrate your `pools:` field values to the following format

`v1` format
```yaml
pools: # Specify the nodes and drives with pools
  -

        createDerivedKeySetSuite(keySetGenerator(parentBuilder.getSubjectGenerator()))
            .withFeatures(computeKeySetFeatures(parentBuilder.getFeatures()))
            .named(parentBuilder.getName() + " keys")
            .suppressing(parentBuilder.getSuppressedTests())
            .withSetUp(parentBuilder.getSetUp())
            .withTearDown(parentBuilder.getTearDown())
            .createTestSuite());

   * referencing the type variables seem worthwhile.
   */
  final void checkNoDuplicate(R rowKey, C columnKey, @Nullable V existingValue, V newValue) {
    checkArgument(
        existingValue == null,
        "Duplicate key: (row=%s, column=%s), values: [%s, %s].",
        rowKey,
        columnKey,
        newValue,
        existingValue);
  }

  // redeclare to satisfy our test for b/310253115
  @Override

     */
    public void setOffset(final long offset) {
        this.offset = offset;
    }

    /**
     * Add RDMA channel information for direct memory access
     *
     * @param remoteKey remote memory key
     * @param address remote memory address
     * @param length length of memory region
     */
    public void addRdmaChannelInfo(int remoteKey, long address, int length) {

        assertEquals(0, next.readDataWireFormat(buf, 0, buf.length));
        assertEquals(0, next.writeDataWireFormat(buf, 0));
    }

    /**
     * Ensures toString contains key fields with expected formatting.
     */
    @Test
    void testToStringContainsExpectedFields() {
        // Given
        int sid = 4660; // 0x1234, printed as decimal

    /**
     * The checksum algorithm.
     */
    interface ChecksumAlgorithm {
        /**
         * Returns the algorithm name, usually used as key, never {@code null} value. The name is a standard name of
         * algorithm (if applicable) or any other designator that is algorithm commonly referred with. Example: "SHA-1".
         */
        @Nonnull