...

{
  "config": {
    "source": {
      "pollFrequency": "1s",
       ...
    }
  }
}

Plugin configure time schema validation

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If a plugin does not know what it's output schema will be, or if the output schema is not constant, it will return null. Plugins further in the pipeline will then get null as an input schema.

New Plugins

Kinesis source:

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