{
   "apiKey": 0,
   "type": "response",
   "name": "ProduceResponse",
   // ...
-  "validVersions": "3-13",
+  // Versions 14 adds ProducerStateBatchesToRetain as a tagged field (KIP-1269).
+  "validVersions": "3-14",
   "flexibleVersions": "9+",
   "fields": [
    { "name": "Responses", "type": "[]TopicProduceResponse", "versions": "0+",
      "about": "Each produce response.", "fields": [
      { "name": "Name", "type": "string", "versions": "0-12", "entityType": "topicName", "mapKey": true, "ignorable": true,
        "about": "The topic name." },
      { "name": "TopicId", "type": "uuid", "versions": "13+", "mapKey": true, "ignorable": true, "about": "The unique topic ID" },
      { "name": "PartitionResponses", "type": "[]PartitionProduceResponse", "versions": "0+",
        "about": "Each partition that we produced to within the topic.", "fields": [
        { "name": "Index", "type": "int32", "versions": "0+",
          "about": "The partition index." },
        { "name": "ErrorCode", "type": "int16", "versions": "0+",
          "about": "The error code, or 0 if there was no error." },
        { "name": "BaseOffset", "type": "int64", "versions": "0+",
          "about": "The base offset." },
        { "name": "LogAppendTimeMs", "type": "int64", "versions": "2+", "default": "-1", "ignorable": true,
          "about": "The timestamp returned by broker after appending the messages. If CreateTime is used for the topic, the timestamp will be -1.  If LogAppendTime is used for the topic, the timestamp will be the broker local time when the messages are appended." },
        { "name": "LogStartOffset", "type": "int64", "versions": "5+", "default": "-1", "ignorable": true,
          "about": "The log start offset." // ...
  -   ]}
  +   ]},
  +     { "name": "ProducerStateBatchesToRetain", "type": "int32",
  +       "versions": "14+", "taggedVersions": "14+", "tag": 1, "default": "5",
  +       "about": "The maximum number of idempotent batches to retain in the broker." },
        // ...
        ]},
      ]},
      // ...
   ]
 }