# Package org.apache.storm.kafka.spout.internal

- Interface Summary
  Interface | Description
  --- | ---
  ClientFactory<K,​V> | This is here to enable testing.

- Class Summary
  Class | Description
  --- | ---
  ClientFactoryDefault<K,​V> |
  CommitMetadata | Object representing metadata committed to Kafka.
  CommitMetadataManager | Generates and reads commit metadata.
  CommonKafkaSpoutConfig<K,​V> |
  CommonKafkaSpoutConfig.Builder<K,​V,​T extends CommonKafkaSpoutConfig.Builder<K,​V,​T>> |
  OffsetManager | Manages acked and committed offsets for a TopicPartition.
  Timer |