红帽全球峰会367.2.2. 查询参数(5 参数)：
| 名称 | 描述 | 默认 | 类型 |
|---|---|---|---|
| currency (producer) | 货币 | 货币 | |
| currencyPair (producer) | 货币对 | CurrencyPair | |
| 方法 （生成器） | 必要方法执行 | XChangeMethod | |
| service (producer) | 所需的服务 要调用 | XChangeService | |
| 同步 （高级） | 设置同步处理是否应当严格使用，还是允许 Camel 使用异步处理（如果受支持）。 | false | 布尔值 |
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