import { Pool, Options as PoolOptions } from 'generic-pool';
import { ClientOpts as RedisOptions, RedisClient } from 'redis';
import { Logger } from './helpers';
/**
 * @alias RedisPoolStatus
 */
export interface RedisPoolStatus {
    name: string;
    size: number;
    available: number;
    pending: number;
}
/**
 * RedisPool
 */
declare class RedisPool {
    name: string;
    redisOptions: RedisOptions;
    poolOptions: PoolOptions;
    logger: {
        debug: Function;
        log: Function;
        info: Function;
        warn: Function;
        error: Function;
    };
    pool: Pool<any>;
    /**
     * @constructor
     * @param options
     * @param options.name         - Name your pool
     * @param
     * @param
     * @param options.logger       - Inject your custom logger
     */
    constructor({ name, redisOptions, poolOptions, logger }: {
        name?: string;
        redisOptions: RedisOptions;
        poolOptions?: PoolOptions;
        logger?: Logger;
    });
    /**
     * Send redis instructions
     * @async
     * @param commandName - Name of the command
     * @param commandArgs - Args sent to the command
     * @returns Promise resolve with the result or Error
     */
    sendCommand(commandName: string, commandArgs?: any[]): Promise<any>;
    /**
     * Acquire a Redis connection and use an optional priority.
     * @async
     * @param priority - priority list number
     * @param
     * @returns Promise resolve with the connection or Error
     */
    acquire(priority?: number, db?: number): Promise<RedisClient>;
    /**
     * Release a Redis connection to the pool.
     * @async
     * @param client - Redis connection
     * @returns void
     */
    release(client?: RedisClient): Promise<void>;
    /**
     * Destroy a Redis connection.
     * @async
     * @param client - Redis connection
     * @returns void
     */
    destroy(client?: RedisClient): Promise<void>;
    /**
     * Drains the connection pool and call the callback id provided.
     * @async
     * @returns Promise
     */
    drain(): Promise<void>;
    /**
     * Returns factory.name for this pool
     *
     * @returns Name of the pool
     */
    getName(): string;
    /**
     * Returns this.redisOptions for this pool
     *
     * @returns redis options given
     */
    getRedisOptions(): RedisOptions;
    /**
     * Returns this.poolOptions for this pool
     *
     * @returns pool options given
     */
    getPoolOptions(): PoolOptions;
    /**
     * Returns size of the pool
     *
     * @returns size of the pool
     */
    getPoolSize(): number;
    /**
     * Returns available connections count of the pool
     *
     * @returns available connections count of the pool
     */
    availableCount(): number;
    /**
     * Returns pending connections count of the pool
     *
     * @returns pending connections count of the pool
     */
    pendingCount(): number;
    /**
     * Returns pool status and stats
     *
     * @returns pool status and stats
     */
    status(): RedisPoolStatus;
}
export default RedisPool;