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{
  "apiKey": 4,
  "type": "request",
  "listeners": ["zkBroker"],
  "name": "LeaderAndIsrRequest",
  "validVersions": "0-7",  // <-- New version 7
  "flexibleVersions": "4+",
  "fields": [
    { "name": "ControllerId", "type": "int32", "versions": "0+", "entityType": "brokerId",
      "about": "The controller id." },
    { "name": "KRaftControllerId", "type": "int32", "versions": "7+", "entityType": "brokerId",
      "about": "The KRaft controller id, used during migration." }, <-- New field
    { "name": "ControllerEpoch", "type": "int32", "versions": "0+",
      "about": "The controller epoch." },
    ...
   ]
}

{
  "apiKey": 5,
  "type": "request",
  "listeners": ["zkBroker"],
  "name": "StopReplicaRequest",
  "validVersions": "0-4",  // <-- New version 4
  "flexibleVersions": "2+",
  "fields": [
    { "name": "ControllerId", "type": "int32", "versions": "0+", "entityType": "brokerId",
      "about": "The controller id." },
    { "name": "KRaftControllerId", "type": "int32", "versions": "4+", "entityType": "brokerId",
      "about": "The KRaft controller id, used during migration." }, // <-- New field
    { "name": "ControllerEpoch", "type": "int32", "versions": "0+",
      "about": "The controller epoch." },
    ...
   ]
}

{
  "apiKey": 6,
  "type": "request",
  "listeners": ["zkBroker"],
  "name": "UpdateMetadataRequest",
  "validVersions": "0-8",  // <-- New version 8
  "flexibleVersions": "6+",
  "fields": [
    { "name": "ControllerId", "type": "int32", "versions": "0+", "entityType": "brokerId",
      "about": "The controller id." },
    { "name": "KRaftControllerId", "type": "int32", "versions": "8+", "entityType": "brokerId",
      "about": "The KRaft controller id, used during migration." }, // <-- New field
    { "name": "ControllerEpoch", "type": "int32", "versions": "0+",
      "about": "The controller epoch." },
    ...
   ]
}