export interface RedisConfig {
    keyPrefix: string;
    password?: string;
    username?: string;
    host: string;
    port: number;
    db?: number;
    [_: string]: any;
}
export declare function createRedisPubSub(redisConfig: RedisConfig): {
    pubsub: import("graphql-yoga").PubSub<{
        [key: string]: [] | [any] | [string | number, any];
    }>;
};