Returns the message api key number.

Receive a binary in the kafka wire format and deserialize it into a map.

Response content fields:

• throttle_time_ms: The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota. (int32 | versions 0+)

• topics: The responses for each topic. ([]TxnOffsetCommitResponseTopic | versions 0+)

  • name: The topic name. (string | versions 0+)

  • partitions: The responses for each partition in the topic. ([]TxnOffsetCommitResponsePartition | versions 0+)

    • partition_index: The partition index. (int32 | versions 0+)

    • error_code: The error code, or 0 if there was no error. (int16 | versions 0+)

Returns the current max supported version of this message.

Returns the current min supported version of this message.

Receives a map and serialize it to kafka wire format of the given version.

Input content fields:

• transactional_id: The ID of the transaction. (string | versions 0+)

• group_id: The ID of the group. (string | versions 0+)

• producer_id: The current producer ID in use by the transactional ID. (int64 | versions 0+)

• producer_epoch: The current epoch associated with the producer ID. (int16 | versions 0+)

• generation_id: The generation of the consumer. (int32 | versions 3+)

• member_id: The member ID assigned by the group coordinator. (string | versions 3+)

• group_instance_id: The unique identifier of the consumer instance provided by end user. (string | versions 3+)

• topics: Each topic that we want to commit offsets for. ([]TxnOffsetCommitRequestTopic | versions 0+)

  • name: The topic name. (string | versions 0+)

  • partitions: The partitions inside the topic that we want to commit offsets for. ([]TxnOffsetCommitRequestPartition | versions 0+)

    • partition_index: The index of the partition within the topic. (int32 | versions 0+)

    • committed_offset: The message offset to be committed. (int64 | versions 0+)

    • committed_leader_epoch: The leader epoch of the last consumed record. (int32 | versions 2+)

    • committed_metadata: Any associated metadata the client wants to keep. (string | versions 0+)