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### 44.8. 消息渠道集成
如果你的classpath下存在'Spring Messaging' jar，一个名为`metricsChannel`的`MessageChannel`将被自动创建（除非已经存在一个）。此外，所有的指标更新事件作为'messages'发布到该渠道上。订阅该渠道的客户端可以进行额外的分析或行动。