import type { RateLimitStorage, RateLimitData, RateLimitTransaction } from '../types';
interface RedisClient {
    get(key: string): Promise<string | null>;
    set(key: string, value: string, mode?: string, duration?: number): Promise<string | null>;
    incr(key: string): Promise<number>;
    incrby(key: string, increment: number): Promise<number>;
    del(key: string): Promise<number>;
    exists(key: string): Promise<number>;
    expire(key: string, seconds: number): Promise<number>;
    multi(): RedisMulti;
}
interface RedisMulti {
    get(key: string): this;
    set(key: string, value: string, mode?: string, duration?: number): this;
    incr(key: string): this;
    incrby(key: string, increment: number): this;
    del(key: string): this;
    expire(key: string, seconds: number): this;
    exec(): Promise<any[]>;
}
export declare class RedisStorage implements RateLimitStorage {
    private client;
    private keyPrefix;
    constructor(client: RedisClient, keyPrefix?: string);
    private getKey;
    private serializeData;
    private deserializeData;
    get(key: string): Promise<RateLimitData | null>;
    set(key: string, data: RateLimitData, ttl?: number): Promise<boolean>;
    increment(key: string, amount?: number): Promise<number>;
    delete(key: string): Promise<boolean>;
    exists(key: string): Promise<boolean>;
    expire(key: string, ttl: number): Promise<boolean>;
    multi(): RateLimitTransaction;
}
export {};