1// LeaveGroupRequest issues a request for a group member to leave the group,
2// triggering a group rebalance.
3//
4// Version 3 changed removed MemberID and added a batch instance+member ID
5// way of leaving a group.
6LeaveGroupRequest => key 13, max version 5, flexible v4+, group coordinator
7 // Group is the group to leave.
8 Group: string
9 // MemberID is the member that is leaving.
10 MemberID: string // v0-v2
11 // Members are member and group instance IDs to cause to leave a group.
12 Members: [=>] // v3+
13 MemberID: string
14 InstanceID: nullable-string
15 // Reason is an optional reason why this member is leaving the group
16 // (KIP-800, Kafka 3.2+).
17 Reason: nullable-string // v5+
18
19// LeaveGroupResponse is returned from a LeaveGroupRequest.
20LeaveGroupResponse =>
21 ThrottleMillis(2) // v1+
22 // ErrorCode is the error for the leave group request.
23 //
24 // GROUP_AUTHORIZATION_FAILED is returned if the client is not authorized
25 // to the group (no read perms).
26 //
27 // INVALID_GROUP_ID is returned in the requested group ID is invalid.
28 //
29 // COORDINATOR_NOT_AVAILABLE is returned if the coordinator is not available
30 // (due to the requested broker shutting down or it has not completed startup).
31 //
32 // COORDINATOR_LOAD_IN_PROGRESS is returned if the group is loading.
33 //
34 // NOT_COORDINATOR is returned if the requested broker is not the coordinator
35 // for the requested group.
36 //
37 // UNKNOWN_MEMBER_ID is returned if the member ID is not a part of the group,
38 // or if the group is empty or dead.
39 ErrorCode: int16
40 // Members are the list of members and group instance IDs that left the group.
41 Members: [=>] // v3+
42 MemberID: string
43 InstanceID: nullable-string
44 // An individual member's leave error code.
45 ErrorCode: int16
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