import { OnModuleDestroy, OnModuleInit } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import Redis from 'ioredis';
export declare class RedisService implements OnModuleInit, OnModuleDestroy {
    private readonly config;
    private readonly logger;
    private client;
    constructor(config: ConfigService);
    onModuleInit(): void;
    onModuleDestroy(): Promise<void>;
    getClient(): Redis;
    ping(): Promise<string>;
    get(key: string): Promise<string | null>;
    setEx(key: string, ttlSeconds: number, value: string): Promise<void>;
    del(...keys: string[]): Promise<number>;
    exists(key: string): Promise<boolean>;
    sAdd(key: string, ...members: string[]): Promise<number>;
    sRem(key: string, ...members: string[]): Promise<number>;
    sMembers(key: string): Promise<string[]>;
    expire(key: string, ttlSeconds: number): Promise<void>;
    getJson<T>(key: string): Promise<T | null>;
    setJson<T>(key: string, ttlSeconds: number, value: T): Promise<void>;
}