// AlterPartitionAssignmentsRequest, proposed in KIP-455 and implemented in
// Kafka 2.4.0, is a request to reassign partitions to certain brokers.
//
// ACL wise, this requires ALTER on CLUSTER.
AlterPartitionAssignmentsRequest => key 45, max version 0, flexible v0+, admin
  TimeoutMillis(60000)
  // Topics are topics for which to reassign partitions of.
  Topics: [=>]
    // Topic is a topic to reassign the partitions of.
    Topic: string
    // Partitions contains partitions to reassign.
    Partitions: [=>]
      // Partition is a partition to reassign.
      Partition: int32
      // Replicas are replicas to place the partition on, or null to
      // cancel a pending reassignment of this partition.
      Replicas: nullable[int32]

// AlterPartitionAssignmentsResponse is returned for an AlterPartitionAssignmentsRequest.
AlterPartitionAssignmentsResponse =>
  ThrottleMillis
  // ErrorCode is any global (applied to all partitions) error code.
  ErrorCode: int16
  // ErrorMessage is any global (applied to all partitions) error message.
  ErrorMessage: nullable-string
  // Topics contains responses for each topic requested.
  Topics: [=>]
    // Topic is the topic being responded to.
    Topic: string
    // Partitions contains responses for partitions.
    Partitions: [=>]
      // Partition is the partition being responded to.
      Partition: int32
      // ErrorCode is the error code returned for partition reassignments.
      //
      // REQUEST_TIMED_OUT is returned if the request timed out.
      //
      // NOT_CONTROLLER is returned if the request was not issued to a Kafka
      // controller.
      //
      // CLUSTER_AUTHORIZATION_FAILED is returned if the client is not
      // authorized to reassign partitions.
      //
      // NO_REASSIGNMENT_IN_PROGRESS is returned for partition reassignment
      // cancellations when the partition was not being reassigned.
      //
      // UNKNOWN_TOPIC_OR_PARTITION is returned if the broker does not know of
      // the requested topic or the topic is being deleted.
      ErrorCode: int16
      // ErrorMessage is an informative message if the partition reassignment failed.
      ErrorMessage: nullable-string