org.springframework.integration.kafka.core
Interfaces 
Configuration
Connection
ConnectionFactory
KafkaOperations
Classes 
AbstractConfiguration
BrokerAddress
BrokerAddressListConfiguration
DefaultConnection
DefaultConnectionFactory
FetchRequest
KafkaConsumerDefaults
KafkaMessage
KafkaMessageBatch
KafkaMessageMetadata
KafkaTemplate
Partition
Result
ZookeeperConfiguration
ZookeeperConnectDefaults
Exceptions 
ConsumerException
PartitionNotFoundException
TopicNotFoundException