type HeartbeatRequest = {
    groupId: string;
    generationId: number;
    memberId: string;
    groupInstanceId: string | null;
};
type HeartbeatResponse = {
    throttleTimeMs: number;
    errorCode: number;
    tags: Record<number, Buffer>;
};
export declare const HEARTBEAT: import("../utils/api").Api<HeartbeatRequest, HeartbeatResponse>;
export {};