KIP-133 — Describe and Alter Configs Admin APIs

Accepted Kafka 1.0 AdminProtocol

Adds DescribeConfigs and AlterConfigs admin API endpoints to the Kafka wire protocol, enabling clients to read and modify topic and broker configurations without direct ZooKeeper access. Before this, tools like kafka-configs.sh required ZooKeeper connectivity, preventing config management in environments where ZooKeeper was locked down.

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