import { Cluster, GroupMember, GroupMemberAssignment, GroupState } from 'kafkajs';
export declare class KafkaPartitionAssigner {
    private readonly clientKafka;
    private readonly config;
    constructor(clientKafka: object, config: {
        cluster: Cluster;
    });
    private get name();
    private get version();
    assign(group: {
        members: Array<GroupMember>;
        topics: Array<string>;
    }): Array<GroupMemberAssignment>;
    protocol(subscription: {
        topics: Array<string>;
        userData: Buffer;
    }): GroupState;
    private decodeMember;
    private getMembersData;
    private fillPreviousAssignments;
    private createTopicPartitionList;
    private initializeAndReassignTopicPartitions;
    private assignPartitionsToMembers;
    private insertAssignmentsByTopic;
    private getPreviousAssignment;
}