import type Redis from 'ioredis';
import { GroupLoader } from '../GroupLoader';
import type { CacheEntry, GroupCache, GroupCacheConfiguration } from '../types/DataSources';
import type { GetManyResult } from '../types/SyncDataSources';
import type { RedisCacheConfiguration } from './AbstractRedisCache';
import { AbstractRedisCache } from './AbstractRedisCache';
export interface RedisGroupCacheConfiguration extends RedisCacheConfiguration, GroupCacheConfiguration {
    groupTtlInMsecs?: number;
}
export declare class RedisGroupCache<T> extends AbstractRedisCache<RedisGroupCacheConfiguration, T> implements GroupCache<T> {
    readonly expirationTimeLoadingGroupedOperation: GroupLoader<number>;
    ttlLeftBeforeRefreshInMsecs?: number;
    name: string;
    constructor(redis: Redis, config?: Partial<RedisGroupCacheConfiguration>);
    deleteGroup(group: string): Promise<number | undefined>;
    deleteFromGroup(key: string, group: string): Promise<void>;
    getFromGroup(key: string, groupId: string): Promise<T | undefined | null>;
    getManyFromGroup(keys: string[], groupId: string): Promise<GetManyResult<T>>;
    getExpirationTimeFromGroup(key: string, groupId: string): Promise<number | undefined>;
    setForGroup(key: string, value: T | null, groupId: string): Promise<void>;
    setManyForGroup(entries: readonly CacheEntry<T>[], groupId: string): Promise<unknown>;
    resolveKeyWithGroup(key: string, groupId: string, groupIndexKey: string): string;
    resolveGroupIndexPrefix(groupId: string): string;
    close(): Promise<void>;
}