* *路径*可以包含 [OpenAPI 3 表达式](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#key-expression)（详见下文），可以使用带参数的变量，以及发送至您的 API 的原始请求的部分

### 回调路径表达式 { #the-callback-path-expression }

回调*路径*支持包含发送给您的 API 的原始请求的部分的 [OpenAPI 3 表达式](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#key-expression)。

本例中是 `str`：

```Python
"{$callback_url}/invoices/{$request.body.id}"
```

	certificate, err := getTLSCert()
	if err != nil {
		return nil, err
	}
	return &certificate, nil
}

func getTLSCert() (tls.Certificate, error) {
	keyPEMBlock := []byte(`-----BEGIN RSA PRIVATE KEY-----
MIIEpAIBAAKCAQEApEkbPrT6wzcWK1W5atQiGptvuBsRdf8MCg4u6SN10QbslA5k
6BYRdZfFeRpwAwYyzkumug6+eBJatDZEd7+0FF86yxB7eMTSiHKRZ5Mi5ZyCFsez
dndknGBeK6I80s1jd5ZsLLuMKErvbNwSbfX+X6d2mBeYW8Scv9N+qYnNrHHHohvX

            }
        }));
    }

    /**
     * Imports crawling information and parameters from a CSV file.
     * The CSV format expected is: SessionId, SessionCreatedTime, Key, Value, CreatedTime.
     * Creates new crawling sessions if they don't exist and adds parameters to them.
     *
     * @param reader the Reader containing CSV data to import
     */

        return doGetConditionQuery();
    }

    // ===================================================================================
    //                                                                         Primary Key
    //                                                                         ===========
    public ElevateWordToLabelCB acceptPK(String id) {
        assertObjectNotNull("id", id);
        BsElevateWordToLabelCB cb = this;

///

/// info | Info

In diesem Beispiel verwenden wir zwei erfundene benutzerdefinierte Header `X-Key` und `X-Token`.

Aber in realen Fällen würden Sie bei der Implementierung von Sicherheit mehr Vorteile durch die Verwendung der integrierten [Sicherheits-Werkzeuge (siehe nächstes Kapitel)](../security/index.md) erzielen.

///

  private fun upgradeResponse(request: RecordedRequest): MockResponse.Builder {
    val key = request.headers["Sec-WebSocket-Key"]
    return MockResponse
      .Builder()
      .status("HTTP/1.1 101 Switching Protocols")
      .setHeader("Connection", "Upgrade")
      .setHeader("Upgrade", "websocket")
      .setHeader("Sec-WebSocket-Accept", acceptHeader(key!!))
  }

  private fun websocketScheme(scheme: String) {

}

public static class RdmaChannelInfo {
    private final int remoteKey;
    private final long address;
    private final int length;
    
    public RdmaChannelInfo(int key, long addr, int len) {
        this.remoteKey = key;
        this.address = addr;
        this.length = len;
    }
    
    // Getters...
}
```

## 6. Configuration

### 6.1 Configuration Properties
```java

        public void addRequestProperty(String key, String value) {
            requestProperties.computeIfAbsent(key, k -> new ArrayList<>()).add(value);
        }

        @Override
        public void setRequestProperty(String key, String value) {
            List<String> list = new ArrayList<>();
            list.add(value);
            requestProperties.put(key, list);
        }

   * @throws UnsupportedOperationException always
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public @Nullable B put(TypeToken<? extends @NonNull B> key, @ParametricNullness B value) {
    throw new UnsupportedOperationException("Please use putInstance() instead.");
  }

  /**
   * Not supported. Use {@link #putInstance} instead.
   *

    /**
     * Gets the last file name in the response.
     *
     * @return the lastName
     */
    public final String getLastName() {
        return this.lastName;
    }

    /**
     * Gets the resume key for continuing the search.
     *
     * @return the resumeKey
     */
    public final int getResumeKey() {
        return this.resumeKey;
    }

    @Override