abilan b5767483e1 Improve Delayer docs around messageGroupId ...

* Mention in the Javadocs of the `DelayHandler`, `DelayerEndpointSpec`,
`BaseIntegrationFlowDefinition.delay()`, `GroovyIntegrationFlowDefinition.delay()`,
`KotlinIntegrationFlowDefinition.delay()` that `messageGroupId` is required option
* Explain in the docs why `messageGroupId` is required and why it cannot rely on a bean name

2023-06-13 10:59:06 -04:00

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main

Improve Delayer docs around messageGroupId

2023-06-13 10:59:06 -04:00

test

Improve Delayer DSL (#8645)

2023-06-12 16:01:40 -04:00