红帽全球峰会330.2.2. 查询参数(4 参数)：
| 名称 | 描述 | 默认 | 类型 |
|---|---|---|---|
| contentCache (producer) | 设置是否使用资源内容缓存 | false | 布尔值 |
| delimiterStart (producer) | 变量启动分隔符 | < | char |
| delimiterStop (producer) | 变量结束分隔符 | > | char |
| 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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