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{
  "apiKey": NN,
  "type": "request",
  "listeners": ["broker"],
  "name": "ShareFetchRequest",
  "validVersions": "0",
  "flexibleVersions": "0+",
  "fields": [
    { "name": "GroupId", "type": "string", "versions": "0+", "nullableVersions": "0+", "default": "null", "entityType": "groupId",
      "about": "The group identifier." },
    { "name": "MemberId", "type": "string", "versions": "0+", "nullableVersions": "0+",
      "about": "The member ID." },
    { "name": "ShareSessionEpoch", "type": "int32", "versions": "0+",
      "about": "The current share session epoch: 0 to open a share session; -1 to close it; otherwise increments for consecutive requests." },
    { "name": "MaxWaitMs", "type": "int32", "versions": "0+",
      "about": "The maximum time in milliseconds to wait for the response." },
    { "name": "MinBytes", "type": "int32", "versions": "0+",
      "about": "The minimum bytes to accumulate in the response." },
    { "name": "MaxBytes", "type": "int32", "versions": "0+", "default": "0x7fffffff", "ignorable": true,
      "about": "The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored." },
    { "name": "Topics", "type": "[]FetchTopic", "versions": "0+",
      "about": "The topics to fetch.", "fields": [
      { "name": "TopicId", "type": "uuid", "versions": "0+", "ignorable": true, "about": "The unique topic ID."},
      { "name": "Partitions", "type": "[]FetchPartition", "versions": "0+",
        "about": "The partitions to fetch.", "fields": [
        { "name": "PartitionIndex", "type": "int32", "versions": "0+",
          "about": "The partition index." },
        { "name": "PartitionMaxBytes", "type": "int32", "versions": "0+",
          "about": "The maximum bytes to fetch from this partition. 0 when only acknowledgement with no fetching is required. See KIP-74 for cases where this limit may not be honored." },
        { "name": "AcknowledgementBatches", "type": "[]AcknowledgementBatch", "versions": "0+",
          "about": "Record batches to acknowledge.", "fields": [
          { "name": "BaseOffset", "type": "int64", "versions": "0+",
            "about": "Base offset of batch of records to acknowledge."},
          { "name": "LastOffset", "type": "int64", "versions": "0+",
            "about": "Last offset (inclusive) of batch of records to acknowledge."},
          { "name": "AcknowledgeTypes", "type": "[]int8", "versions": "0+",
            "about": "Array of acknowledge types - 0:Gap,1:Accept,2:Release,3:Reject."}
        ]}
      ]}
    ]},
    { "name": "ForgottenTopicsData", "type": "[]ForgottenTopic", "versions": "0+", "ignorable": false,
      "about": "The partitions to remove from this share session.", "fields": [
      { "name": "TopicId", "type": "uuid", "versions": "0+", "ignorable": true, "about": "The unique topic ID."},
      { "name": "Partitions", "type": "[]int32", "versions": "0+",
        "about": "The partitions indexes to forget." }
    ]}
  ]
}

{
  "apiKey": NN,
  "type": "response",
  "name": "ShareFetchResponse",
  "validVersions": "0",
  "flexibleVersions": "0+",
  // Supported errors:
  // - GROUP_AUTHORIZATION_FAILED (version 0+)
  // - TOPIC_AUTHORIZATION_FAILED (version 0+)
  // - SHARE_SESSION_NOT_FOUND (version 0+)
  // - INVALID_SHARE_SESSION_EPOCH (version 0+) 
  // - UNKNOWN_TOPIC_OR_PARTITION (version 0+)
  // - NOT_LEADER_OR_FOLLOWER (version 0+)
  // - UNKNOWN_TOPIC_ID (version 0+)
  // - INVALID_RECORD_STATE (version 0+)
  // - KAFKA_STORAGE_ERROR (version 0+)
  // - CORRUPT_MESSAGE (version 0+)
  // - INVALID_REQUEST (version 0+)
  // - UNKNOWN_SERVER_ERROR (version 0+)
  "fields": [
    { "name": "ThrottleTimeMs", "type": "int32", "versions": "0+", "ignorable": true,
      "about": "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." },
    { "name": "ErrorCode", "type": "int16", "versions": "0+", "ignorable": true,
      "about": "The top level response error code." },
    { "name": "Responses", "type": "[]ShareFetchableTopicResponse", "versions": "0+",
      "about": "The response topics.", "fields": [
      { "name": "TopicId", "type": "uuid", "versions": "0+", "ignorable": true, "about": "The unique topic ID."},
      { "name": "Partitions", "type": "[]PartitionData", "versions": "0+",
        "about": "The topic partitions.", "fields": [
        { "name": "PartitionIndex", "type": "int32", "versions": "0+",
          "about": "The partition index." },
        { "name": "ErrorCode", "type": "int16", "versions": "0+",
          "about": "The error code, or 0 if there was no fetch error." },
        { "name": "AcknowledgeErrorCode", "type": "int16", "versions": "0+",
          "about": "The acknowledge error code, or 0 if there was no acknowledge error." },
        { "name": "CurrentLeader", "type": "LeaderIdAndEpoch", "versions": "0+", "fields": [
          { "name": "LeaderId", "type": "int32", "versions": "0+",
            "about": "The ID of the current leader or -1 if the leader is unknown." },
          { "name": "LeaderEpoch", "type": "int32", "versions": "0+",
            "about": "The latest known leader epoch." }
        ]},
        { "name": "Records", "type": "records", "versions": "0+", "nullableVersions": "0+", "about": "The record data."},
        { "name": "AcquiredRecords", "type": "[]AcquiredRecords", "versions": "0+", "about": "The acquired records.", "fields":  [
          {"name": "BaseOffset", "type":  "int64", "versions": "0+", "about": "The earliest offset in this batch of acquired records."},
          {"name": "LastOffset", "type": "int64", "versions": "0+", "about": "The last offset of this batch of acquired records."},
          {"name": "DeliveryCount", "type": "int16", "versions

{
  "apiKey": NN,
  "type": "request",
  "listeners": ["broker"],
  "name": "ShareFetchRequest",
  "validVersions": "0",
  "flexibleVersions": "0+",
  "fieldsabout": ["The delivery count of this batch of acquired records."}
        ]}
      ]}
    ]},
    { "name": "GroupIdNodeEndpoints", "type": "string[]NodeEndpoint", "versions": "0+",
      "about": "Endpoints for all current leaders enumerated in PartitionData with error NOT_LEADER_OR_FOLLOWER.", "nullableVersions"fields": [
      { "name": "0+NodeId", "defaulttype": "nullint32", "entityTypeversions": "groupId0+",
        "mapKey": true, "entityType": "brokerId", "about": "The group identifierThe ID of the associated node." },
      { "name": "MemberIdHost", "type": "string", "versions": "0+",
 "nullableVersions": "0+",
      "about": "The membernode's IDhostname." },
      { "name": "ShareSessionEpochPort", "type": "int32", "versions": "0+",
        "about": "The current share session epoch: 0 to open a share session; -1 to close it; otherwise increments for consecutive requestsnode's port." },
        { "name": "MaxWaitMsRack", "type": "int32string", "versions": "0+", "nullableVersions": "0+", "default": "null",
        "about": "The maximumrack timeof inthe millisecondsnode, toor waitnull forif theit has not been assigned to a rack." }
    ]}
  ]
}

{
  "apiKey": NN,
  response." },
    { "name": "MinBytes", "type": "int32", "versions": "0+",
      "about": "The minimum bytes to accumulate in the response." },
    { "name": "MaxBytes", "type": "int32request",
 "versions": "0+", "defaultlisteners": ["0x7fffffffbroker", "ignorable": true,
   ],
   "aboutname": "The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored." },
    { "nameShareAcknowledgeRequest",
  "validVersions": "Topics0",
 "type": "[]FetchTopic", "versions"flexibleVersions": "0+",
      "about": "The topics to fetch.", "fields": [
      { "name": "TopicIdGroupId", "type": "uuidstring", "versions": "0+", "ignorablenullableVersions": true, "about": "The unique topic ID."},
      { "name0+", "default": "Partitionsnull", "typeentityType": "[]FetchPartitiongroupId", "versions": "0+",
        "about": "The partitions to fetch.",   "fieldsabout": [
"The group identifier." },
       { "name": "PartitionIndexMemberId", "type": "int32string", "versions": "0+",
    "nullableVersions": "0+",
      "about": "The partitionmember indexID." },
        { "name": "PartitionMaxBytesShareSessionEpoch", "type": "int32", "versions": "0+",
          "about": "The maximumcurrent bytesshare tosession fetch from this partition. epoch: 0 whento onlyopen acknowledgementa withshare no fetching is required. See KIP-74 for cases where this limit may not be honoredsession; -1 to close it; otherwise increments for consecutive requests." },
           { "name": "AcknowledgementBatchesTopics", "type": "[]AcknowledgementBatchAcknowledgeTopic", "versions": "0+",
          "about": "Record batchesThe topics containing records to acknowledge.", "fields": [
      { "name": "TopicId", "type": "uuid", "versions": "0+", "about": "The unique topic ID."},
      { "name": "BaseOffsetPartitions", "type": "int64[]AcknowledgePartition", "versions": "0+",
            "about": "BaseThe offset of batch ofpartitions containing records to acknowledge."},
 "fields": [
        { "name": "LastOffsetPartitionIndex", "type": "int64int32", "versions": "0+",
            "about": "LastThe offset (inclusive) of batch of records to acknowledgepartition index." },
          { "name": "GapOffsetsAcknowledgementBatches", "type": "[]int64AcknowledgementBatch", "versions": "0+",
            "about": "Array of offsets in this range which do not correspond to records."},Record batches to acknowledge.", "fields": [
          { "name": "AcknowledgeTypeBaseOffset", "type": "int8int64", "versions": "0+", "default": "0",
            "about": "The typeBase offset of batch of acknowledgementrecords - 0:Accept,1:Release,2:Rejectto acknowledge."},
        ]}
    ]},
    { "name": "ForgottenTopicsDataLastOffset", "type": "[]ForgottenTopicint64", "versions": "0+", "ignorable": false,

            "about": "The partitions to remove from this share session.", "fields": [
Last offset (inclusive) of batch of records to acknowledge."},
          { "name": "TopicIdAcknowledgeTypes", "type": "uuid[]int8", "versions": "0+",
 "ignorable": true, "about": "The unique topic ID."},
      { "nameabout": "Partitions", "type": "[]int32", "versions": "0+",Array of acknowledge types - 0:Gap,1:Accept,2:Release,3:Reject."}
        "about": "The partitions indexes to forget." ]}
      ]}
    ]}
  ]
}

{
  "apiKey": NN,
  "type":    { "request",
  "listeners": ["broker"],
  "name": "LeaderEpochAlterShareGroupOffsetsRequest", 
  "typevalidVersions": "int320", 
  "versionsflexibleVersions": "0+",
            "aboutfields": "The latest known leader epoch." }
        ]},
[
         { "name": "RecordsGroupId", "type": "recordsstring", "versions": "0+", "nullableVersionsentityType": "0+groupId", 
      "about": "The recordgroup dataidentifier." },
        { "name": "AcquiredRecordsTopics", "type": "[]AcquiredRecordsAlterShareGroupOffsetsRequestTopic", "versions": "0+",
      "about": "The acquired records topics to alter offsets for.",  "fields":  [
         { {"name": "BaseOffsetTopicName", "type":  "int64string", "versions": "0+", "aboutentityType": "topicName", "The earliest offset in this batch of acquired records.""mapKey": true,
        "about": "The topic name." },
         { {"name": "LastOffsetPartitions", "type": "int64[]AlterShareGroupOffsetsRequestPartition", "versions": "0+",
        "about": "TheEach lastpartition offsetto ofalter this batch of acquired recordsoffsets for."},
 "fields": [
        { "name": "DeliveryCountPartitionIndex", "type": "int16int32", "versions": "0+",
 "about": "The delivery count of this batch of acquired records."}
        ]}
      ]}
    ]},
    "about": "The partition index." },
        { "name": "NodeEndpointsStartOffset", "type": "[]NodeEndpointint64", "versions": "0+",
                "about": "EndpointsThe forshare-partition allstart current leaders enumerated in PartitionData with error NOT_LEADER_OR_FOLLOWER.", "fields": [offset." }
      ]}
    ]}
  ]
}

{
  "nameapiKey": "NodeId"NN,
  "type": "int32response",
  "versionsname": "0+AlterShareGroupOffsetsResponse",
        "mapKeyvalidVersions": true"0",
  "entityTypeflexibleVersions": "brokerId0+", "about": "The ID of the associated node." },
      { "name": "Host", "type": "string", "versions": "0+",
        "about": "The node's hostname." },
      { "name": "Port", "type": "int32", "versions": "0+",
        "about": "The node's port." },
  
  // Supported errors:
  // - GROUP_AUTHORIZATION_FAILED (version 0+)
  // - NOT_COORDINATOR (version 0+)
  // - COORDINATOR_NOT_AVAILABLE (version 0+)
  // - COORDINATOR_LOAD_IN_PROGRESS (version 0+)
  // - GROUP_ID_NOT_FOUND (version 0+)
  // - GROUP_NOT_EMPTY (version 0+)
  // - KAFKA_STORAGE_ERROR (version 0+)
  // - INVALID_REQUEST (version 0+)
  // - UNKNOWN_SERVER_ERROR (version 0+)
  "fields": [
    { "name": "RackThrottleTimeMs", "type": "stringint32", "versions": "0+", "nullableVersionsignorable": "0+", "default": "null",true,
        "about": "The rackduration ofin themilliseconds node,for orwhich nullthe ifrequest itwas has not been assigned to a rack." }
    ]}
  ]
}

{
  "apiKey": NN,
  "nametype": "AcknowledgementBatchesrequest",
  "listeners": "type["broker"],
  "name": "[]AcknowledgementBatchDeleteShareGroupOffsetsRequest", 
  "versionsvalidVersions": "0+",
          "about  "flexibleVersions": "Record batches to acknowledge.0+", 
  "fields": [
          { "name": "BaseOffsetGroupId", "type": "int64string", "versions": "0+",
            "entityType": "groupId",
      "about": "Base offset of batch of records to acknowledge."The group identifier." },
          { "name": "LastOffsetTopics", "type": "int64[]DeleteShareGroupOffsetsRequestTopic", "versions": "0+",
            "about": "LastThe offsettopics (inclusive)to ofdelete batch of records to acknowledgeoffsets for."},
    "fields": [
      { "name": "GapOffsetsTopicName", "type": "[]int64string", "versions": "0+",
    "entityType": "topicName",
        "about": "ArrayThe of offsets in this range which do not correspond to records."topic name." },
          { "name": "AcknowledgeTypePartitions", "type": "int8[]int32", "versions": "0+", "default": "0",
            "about": "The type of acknowledgement - 0:Accept,1:Release,2:Rejectpartitions."}
        ]}
      ]}
    ]}
  ]
}

{
  "apiKey": NN,
  "type": "request",
  "listeners": ["broker"],
  "name": "DescribeShareGroupOffsetsRequest",
  "validVersions": "0",
  "flexibleVersions": "0+",
  "fields": [
      { "name": "NodeIdGroupId", "type": "int32string", "versions": "0+",
        "mapKey": true, "entityType": "brokerIdgroupId", 
      "about": "The ID of the associated nodegroup identifier." },
      { "name": "HostTopics", "type": "string[]DescribeShareGroupOffsetsRequestTopic", "versions": "0+",
        "about": "The node's hostnametopics to describe offsets for." },,  "fields": [
      { "name": "PortTopicName", "type": "int32string", "versions": "0+", "entityType": "topicName",
        "about": "The node'stopic portname." },
      { "name": "RackPartitions", "type": "string[]int32", "versions": "0+", "nullableVersions": "0+", "default": "null",
        "about": "The rack of the node, or null if it has not been assigned to a rack." "about": "The partitions." }
      ]}
    ]}
   ]
}

{
  "apiKey": NN,
  "type": "request",
  "listeners": ["broker"],
  "name": "InitializeShareGroupStateRequest",
  "validVersions": "0",
  "flexibleVersions": "0+",
  (version 0+)
  // - NOT_COORDINATOR (version 0+)
  // - COORDINATOR_NOT_AVAILABLE (version 0+)
  // - COORDINATOR_LOAD_IN_PROGRESS (version 0+)
  // - GROUP_ID_NOT_FOUND (version 0+)
  // - GROUP_NOT_EMPTY (version 0+)
  // - KAFKA_STORAGE_ERROR (version 0+)
  // - INVALID_REQUEST (version 0+)
  // - UNKNOWN_SERVER_ERROR (version 0+)
  "fields": [
    { "name": "ThrottleTimeMsGroupId", "type": "int32string", "versions": "0+", "ignorable": true,
      "about": "The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quotagroup identifier." },
    { "name": "ResponsesTopics", "type": "[]AlterShareGroupOffsetsResponseTopicInitializeStateData", "versions": "0+",
      "about": "The resultsdata for eachthe topictopics.", "fields": [
      { "name": "TopicNameTopicId", "type": "stringuuid", "versions": "0+", "entityType": "topicName",
        "about": "The topic nameidentifier." },
      { "name": "TopicIdPartitions", "type": "uuid[]PartitionData", "versions": "0+", "ignorable": true,
        "about":  "The uniquedata topicfor ID." },
      { "name": "Partitions", "type": "[]AlterShareGroupOffsetsResponsePartition", "versions": "0+the partitions.", "fields": [
        { "name": "PartitionIndexPartition", "type": "int32", "versions": "0+",
          "about": "The partition index." },
        { "name": "ErrorCodeStateEpoch", "type": "int16int32", "versions": "0+",
          "about": "The errorstate code,epoch orfor 0 if there was no errorthis share-partition." },
        { "name": "ErrorMessageStartOffset", "type": "stringint64", "versions": "0+", "nullableVersions": "0+", "ignorable": true, "default": "null",
          "about": "The share-partition errorstart messageoffset, or null-1 if there was no error the start offset is not being initialized." }
      ]}
    ]}
  ]
}

{
  "apiKey": NN,
  "type": "request",
  "listeners": ["broker"],
  "name": "ThrottleTimeMsReadShareGroupStateRequest",
  "typevalidVersions": "int320",
  "versionsflexibleVersions": "0+",
  "ignorablefields": true,[
     { "aboutname": "GroupId"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, "type": "string", "versions": "0+",
      "about":"The group identifier." },
    { "name": "ResponsesTopics", "type": "[]DeleteShareGroupOffsetsResponseTopicReadStateData", "versions": "0+",
      "about": "The resultsdata for eachthe topictopics.", "fields": [
      { "name": "TopicNameTopicId", "type": "stringuuid", "versions": "0+", "entityType": "topicName",
        "about": "The topic nameidentifier." },
      { "name": "TopicIdPartitions", "type": "uuid[]PartitionData", "versions": "0+", "ignorable": true,
        "about":  "The data uniquefor topicthe IDpartitions.", "fields": },[
        { "name": "PartitionsPartition", "type": "[]DeleteShareGroupOffsetsResponsePartitionint32", "versions": "0+",
    "fields      "about": [
  "The partition index." }
      ]}
    ]}
  ]
}

{
  "apiKey": NN,
  "type": "response",
  "name": "PartitionIndexReadShareGroupStateResponse",
  "validVersions": "0",
  "type": "int32", "versions": "0+",
          "about": "The partition index." },
        flexibleVersions": "0+",
  // - NOT_COORDINATOR (version 0+)  
  // - COORDINATOR_NOT_AVAILABLE (version 0+)
  // - COORDINATOR_LOAD_IN_PROGRESS (version 0+)
  // - GROUP_ID_NOT_FOUND (version 0+)
  // - UNKNOWN_TOPIC_OR_PARTITION (version 0+)
  // - INVALID_REQUEST (version 0+)
  "fields": [
    { "name": "ErrorCodeResults", "type": "int16[]ReadStateResult", "versions": "0+",
          "about": "The errorread code, or 0 if there was no error." },
 results", "fields": [
       { "name": "ErrorMessageTopicId", "type": "stringuuid", "versions": "0+", "nullableVersions": "0+", "ignorable": true, "default": "null",
          "about": "The error message, or null if there was no error." }
      ]}
    ]}
  ]
}

{
  "nameapiKey": "TopicName"NN,
  "type": "stringrequest",
  "versionslisteners": ["0+broker"],
  "entityTypename": "topicNameWriteShareGroupStateRequest",
     "validVersions": "0",
   "aboutflexibleVersions": "0+"The,
 topic name."fields": },[
      { "name": "TopicIdGroupId", "type": "uuidstring", "versions": "0+", "ignorable": true,
        "about": "The uniquegroup topic IDidentifier." },
      { "name": "PartitionsTopics", "type": "[]DescribeShareGroupOffsetsResponsePartition", "versionsWriteStateData", "versions": "0+",
      "about": "0+The data for the topics.", "fields": [
        { "name": "PartitionIndexTopicId", "type": "int32uuid", "versions": "0+",
          "about": "The partitiontopic indexidentifier." },
        { "name": "StartOffsetPartitions", "type": "int64[]PartitionData", "versions": "0+",
          "about":  "The data share-partitionfor startthe offsetpartitions."}, "fields": [
        { "name": "ErrorCodePartition", "type": "int16int32", "versions": "0+",
          "about": "The error code, or 0 if there was no errorpartition index." },
        { "name": "ErrorMessageStateEpoch", "type": "stringint32", "versions": "0+", "nullableVersions": "0+", "ignorable": true, "default": "null",
          "about": "The errorstate message,epoch orfor null if there was no errorthis share-partition." },
      ]}
    ]}
  ]
}

{
  "apiKey": NN,
  "type": "request",
  "listeners": ["broker"],
  "name": "DeleteShareGroupStateRequest",
  "validVersions": "0",
  "flexibleVersions": "0+",
  "fields": [ // - COORDINATOR_NOT_AVAILABLE (version 0+)
  // - COORDINATOR_LOAD_IN_PROGRESS (version 0+)
  // - GROUP_ID_NOT_FOUND (version 0+)
  // - UNKNOWN_TOPIC_OR_PARTITION (version 0+)
  // - INVALID_REQUEST (version 0+)
   "fields": [
    { "name": "ErrorCode", "type": "int16", "versions": "0+",
      "about": "The error code, or 0 if there was no error." },
    { "name": "StateEpochGroupId", "type": "int32string", "versions": "0+",
      "about": "The state epoch for this share-partitiongroup identifier." },
    { "name": "StartOffsetTopics", "type": "int64[]DeleteStateData", "versions": "0+",
      "about": "The data share-partitionfor startthe offsettopics." },, "fields": [
      { "name": "StateBatchesTopicId", "type": "[]StateBatchuuid", "versions": "0+",
        "fieldsabout":[ "The topic identifier." },
      { "name": "BaseOffsetPartitions", "type": "int64[]PartitionData", "versions": "0+",
        "about":  "The basedata offsetfor of this state batch." },the partitions.", "fields": [
        { "name": "LastOffsetPartition", "type": "int64int32", "versions": "0+",
          "about": "The last offset of this state batch." },
      { partition index." }
      ]}
    ]}
  ]
}

{
  "apiKey": NN,
  "type": "response",
  "name": "StateDeleteShareGroupStateResponse",
  "typevalidVersions": "int80",
  "versionsflexibleVersions": "0+",
  // - NOT_COORDINATOR (version 0+)  "about": "The state - 0:Available,2:Acked,4:Archived." },
      { "name": "DeliveryCount", "type": "int16", "versions": "0+",
        "about": "The delivery count." }
    ]}
  ]
}

{
  "apiKey": NN,
    { "name": "StartOffset", "type": "int64request",
  "versionslisteners": ["0+broker"],
    "name": "ReadShareGroupOffsetsStateRequest",
  "aboutvalidVersions": "0"The,
 share-partition start offset, or -1 if the start offset is not being written." }, "flexibleVersions": "0+",
  "fields": [
    { "name": "StateBatchesGroupId", "type": "[]StateBatchstring", "versions": "0+",
      "fieldsabout":"The [
group identifier." },
    { "name": "BaseOffsetTopics", "type": "int64[]ReadOffsetsStateData", "versions": "0+",
        "about": "The basedata offsetfor of this state batch." },the topics.", "fields": [
      { "name": "LastOffsetTopicId", "type": "int64uuid", "versions": "0+",
        "about": "The last offset of this state batchtopic identifier." },
      { "name": "StatePartitions", "type": "int8[]PartitionData", "versions": "0+",
        "about":  "The data statefor - 0:Available,2:Acked,4:Archived" },
the partitions.", "fields": [
        { "name": "DeliveryCountPartition", "type": "int16int32", "versions": "0+",
          "about": "The deliverypartition countindex." }
      ]}
    ]}
  ]
}

{
  "type": "data",
  "name": "ConsumerGroupMetadataValue",
  "validVersions": "0-1",
  "flexibleVersions""type": "string", "versions": "0+",
      "about":"The group identifier." },
    { "name": "TopicId", "type": "uuid", "versions": "0+",
      "aboutfields": "The[
 topic identifier." },
    { "name": "PartitionEpoch", "type": "int32", "versions": "0+",
      "about": "The partitiongroup indexepoch." },
   ]
}

{
  "type": "data",
  "name": "ShareGroupMemberMetadataKey",
  "validVersions": "10",
  "flexibleVersions": "none",
  "fields": [(version 0+)  
  // - COORDINATOR_NOT_AVAILABLE (version 0+)
  // - COORDINATOR_LOAD_IN_PROGRESS (version 0+)
  // - GROUP_ID_NOT_FOUND (version 0+)
  // - UNKNOWN_TOPIC_OR_PARTITION (version 0+)
  // - INVALID_REQUEST (version 0+)
  "fields": [
    { "name": "ErrorCode", "type": "int16", "versions": "0+",
      "about": "The error code, or 0 if there was no error." },
    { "name": "StateEpochGroupId", "type": "int32string", "versions": "0+10",
      "about": "The state epoch for this share-partitiongroup id." },
    { "name": "StartOffsetMemberId", "type": "int64string", "versions": "0+10",
      "about": "The share-partition start offsetmember id." }
  ]
}