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To allow implementing Spring managed interceptors for producers and consumers, both, the KafkaProducer and the KafkaConsumer should expose a constructor constructors taking a config instance (ProducerConfig and ConsumerConfig) instead of a configuration given as a Properties or as a Map.

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KafkaConsumer

Proposed Changes

Create a 2 new constructor constructors in KafkaProducer

public KafkaProducer(ProducerConfig config)
public KafkaProducer(ProducerConfig config, Serializer<K> keySerializer, Serializer<V> valueSerializer)

and create a new constructor + increase the visibility of an existing constructor in KafkaConsumer

public KafkaConsumer(ConsumerConfig config)
public KafkaConsumer(ConsumerConfig config, Deserializer<K> keyDeserializer, Deserializer<V> valueDeserializer)

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