import { Redis } from '@nestjs-modules/ioredis';
import { MetricsService } from '../../../common/metrics/metrics.service';
export declare class RedisCacheService {
    private readonly redis;
    private readonly metricsService;
    private readonly logger;
    constructor(redis: Redis, metricsService: MetricsService);
    get<T>(key: string): Promise<T | null>;
    getMany<T>(keys: string[]): Promise<(T | null)[]>;
    setnx<T>(key: string, value: T): Promise<boolean>;
    set<T>(key: string, value: T, ttl?: number | null): Promise<void>;
    setMany<T>(keys: string[], values: T[], ttl: number): Promise<void>;
    expire(key: string, ttl: number): Promise<void>;
    pexpire(key: string, ttl: number): Promise<void>;
    delete(key: string): Promise<void>;
    deleteMany(keys: string[]): Promise<void>;
    flushDb(): Promise<void>;
    getOrSet<T>(key: string, createValueFunc: () => Promise<T | null | undefined>, ttl: number): Promise<T | null | undefined>;
    setOrUpdate<T>(key: string, createValueFunc: () => Promise<T | null | undefined>, ttl: number): Promise<T | null | undefined>;
    scan(pattern: string): Promise<string[]>;
    increment(key: string, ttl?: number | null): Promise<number>;
    decrement(key: string, ttl?: number | null): Promise<number>;
    private buildInternalCreateValueFunc;
}