import { KeyValuePair } from 'chen/core';
import { RedisConfig } from './index';
/**
 * RedisConnection class
 */
export declare class RedisConnection {
    private config;
    /**
     * Redis client
     * @type {redis.RedisClient}
     */
    private client;
    /**
     * Redis configuration
     * @param {RedisConfig} private config
     */
    constructor(config: RedisConfig);
    /**
     * Get redis client
     * @return {redis.RedisClient}
     */
    private getClient();
    /**
     * Execute redis command
     * @param  {string} command
     * @param  {any[]} ...args
     * @return {Promise<U>}
     */
    private executeCommand<U>(command, ...args);
    /**
     * Set the value of key
     * @param  {string} key
     * @param {any} value
     * @return {Promise<string>}
     */
    set(key: string, value: any): Promise<string>;
    /**
     * Get the value of key
     * @param  {string} key
     * @return {Promise<string>}
     */
    get(key: string): Promise<string>;
    /**
     * Returns all keys matching pattern.
     * @param  {string match
     * @return {Promise<any[]>}
     */
    keys(match: string): Promise<any[]>;
    /**
     * Returns the length of the list stored at key
     * @param  {string} key
     * @return {Promise<number>}
     */
    llen(key: string): Promise<number>;
    /**
     * Returns all fields and values of the hash stored at key
     * @param  {string} key
     * @return {Promise<KeyValuePair<any>>}
     */
    hgetall(key: string): Promise<KeyValuePair<any>>;
    /**
     * Sets the specified fields to their respective values in the hash stored at key
     * @param  {string} key
     * @param  {KeyValuePair<any>} values
     * @return {Promise<boolean>}
     */
    hmset(key: string, values: KeyValuePair<any>): Promise<boolean>;
    /**
     * Sets field in the hash stored at key to value
     * @param  {string} key
     * @param  {string} field
     * @param  {any} value
     * @return {Promise<number>}
     */
    hset(key: string, field: string, value: any): Promise<number>;
    /**
     * Returns the value associated with field in the hash stored at key.
     * @param  {string} key
     * @param  {string} field
     * @return {Promise<string>}
     */
    hget(key: string, field: string): Promise<string>;
    /**
     * Returns if key exists
     * @param  {string | string[]} key
     * @return {Promise<number>}
     */
    exists(key: string | string[]): Promise<number>;
    /**
     * Removes the specified keys
     * @param  {string | string[]} key
     * @return {Promise<number>}
     */
    del(key: string | string[]): Promise<number>;
    /**
     * Returns the specified elements of the list stored at key
     * @param  {string} key
     * @param  {number} start
     * @param  {number} stop
     * @return {Promise<any[]>}
     */
    lrange(key: string, start: number, stop: number): Promise<any[]>;
    /**
     * Removes and returns the first element of the list stored at key
     * @param  {string} key
     * @return {Promise<string>}
     */
    lpop(key: string): Promise<string>;
    /**
     * Insert all the specified values at the tail of the list stored at key
     * @param  {string} key
     * @param  {any | any[]} values
     * @return {Promise<number>}
     */
    rpush(key: string, values: any | any[]): Promise<number>;
    /**
     * Insert all the specified values at the head of the list stored at key
     * @param  {string} key
     * @param  {any | any[]} values
     * @return {Promise<number>}
     */
    lpush(key: string, values: any | any[]): Promise<number>;
    /**
     * Returns the score of member in the sorted set at key
     * @param  {string} key
     * @param  {string} value
     * @return {Promise<string>}
     */
    zscore(key: string, value: string): Promise<string>;
    /**
     * Adds all the specified members with the specified scores to the sorted set stored at key
     * @param  {string} key
     * @param  {number} score
     * @param  {string} value
     * @param  {string = ''} option
     * @return {Promise<number>}
     */
    zadd(key: string, score: number, value: string, option?: string): Promise<number>;
    /**
     * Returns the specified range of elements in the sorted set stored at key
     * @param  {string} key
     * @param  {number} start
     * @param  {number} stop
     * @param  {boolean = false} withScores
     * @return {Promise<any[]>}
     */
    zrevrange(key: string, start: number, stop: number, withScores?: boolean): Promise<any[]>;
    /**
     * Returns the specified range of elements in the sorted set stored at key
     * @param  {string} key
     * @param  {number} start
     * @param  {number} stop
     * @param  {boolean = false} withScores
     * @return {Promise<any[]>}
     */
    zrange(key: string, start: number, stop: number, withScores?: boolean): Promise<any[]>;
    /**
     * Returns the sorted set cardinality (number of elements) of the sorted set stored at key
     * @param  {string} key
     * @return {Promise<number>}
     */
    zcard(key: string): Promise<number>;
    /**
     * Removes the specified members from the sorted set stored at key
     * @param  {string} key
     * @param  {string} value
     * @return {Promise<number>}
     */
    zrem(key: string, value: string): Promise<number>;
    /**
     * Delete all keys of current selected DB
     * @return {Promise<string>}
    */
    flushdb(): Promise<string>;
}