type JoinGroupRequest = {
    groupId: string;
    sessionTimeoutMs: number;
    rebalanceTimeoutMs: number;
    memberId: string;
    groupInstanceId: string | null;
    protocolType: string;
    protocols: {
        name: string;
        metadata: {
            version: number;
            topics: string[];
        };
    }[];
    reason: string | null;
};
type JoinGroupResponse = {
    throttleTimeMs: number;
    errorCode: number;
    generationId: number;
    protocolType: string | null;
    protocolName: string | null;
    leader: string;
    skipAssignment: boolean;
    memberId: string;
    members: {
        memberId: string;
        groupInstanceId: string | null;
        metadata: Buffer;
        tags: Record<number, Buffer>;
    }[];
    tags: Record<number, Buffer>;
};
export declare const JOIN_GROUP: import("../utils/api").Api<JoinGroupRequest, JoinGroupResponse>;
export {};