THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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In the DeleteRecordsResult, the Long value accessed by values() and all() method specifies the low watermark as described in the KIP-107.
The deleteRecords() will have the same authorization setting as deleteTopic(). Its operation type is be DELETE and its resource type is TOPIC.
Compatibility, Deprecation, and Migration Plan
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