import type { Redis } from "ioredis";
import type RedLock from "redlock";
import type { Settings } from "redlock";
import type { Cache } from "./plugin";
export type BuildRedisEntityId = (typename: string, id: number | string) => string;
export type BuildRedisOperationResultCacheKey = (responseId: string) => string;
export declare const Events: {
    readonly REDIS_GET: "REDIS_GET";
    readonly REDIS_GET_TIMED_OUT: "REDIS_GET_TIMED_OUT";
    readonly REDIS_SET: "REDIS_SET";
    readonly INVALIDATE_KEY_SCAN: "INVALIDATE_KEY_SCAN";
    readonly INVALIDATED_KEYS: "INVALIDATED_KEYS";
    readonly CONCURRENT_CACHED_CALL_HIT: "CONCURRENT_CACHED_CALL_HIT";
    readonly REDLOCK_ACQUIRED: "REDLOCK_ACQUIRED";
    readonly REDLOCK_RELEASED: "REDLOCK_RELEASED";
    readonly REDLOCK_GET_AFTER_ACQUIRE: "REDLOCK_GET_AFTER_ACQUIRE";
};
export type Events = (typeof Events)[keyof typeof Events];
export type LogEventArgs = {
    message: string;
    code: Events;
    params: EventParamsObject;
};
export type LoggedEvents = Partial<Record<Events, string | boolean | null | ((args: LogEventArgs) => void)>>;
export type EventParamsObject = Record<string, string | number | boolean | null | undefined>;
export type RedisCacheParameter = {
    /**
     * Redis instance
     * @see Redis.Redis https://github.com/luin/ioredis
     */
    redis: Redis;
    /**
     * Enable and customize redlock
     */
    redlock?: {
        client: RedLock;
        /**
         * @default 5000 ms
         */
        duration?: number;
        settings?: Partial<Settings>;
    } | null;
    /**
     * Customize how the cache entity id is built.
     * By default the typename is concatenated with the id e.g. `User:1`
     */
    buildRedisEntityId?: BuildRedisEntityId;
    /**
     * Customize how the cache key that stores the operations associated with the response is built.
     * By default `operations` is concatenated with the responseId e.g. `operations:arZm3tCKgGmpu+a5slrpSH9vjSQ=`
     */
    buildRedisOperationResultCacheKey?: BuildRedisOperationResultCacheKey;
    /**
     * Debug TTL of existing cache results
     *
     * @default false
     */
    debugTtl?: boolean;
    /**
     * Enable event logging
     */
    logEvents?: {
        events: LoggedEvents;
        /**
         * @default console.log
         */
        log?: (args: LogEventArgs) => void;
    };
    /**
     * Set a maximum amount of milliseconds for redis gets to wait for the GET redis response
     */
    GETRedisTimeout?: number;
    onError?: (err: unknown) => void;
    /**
     * @default 20
     */
    concurrencyLimit?: number;
};
export declare const createRedisCache: ({ redis: store, redlock, debugTtl, logEvents, buildRedisEntityId, buildRedisOperationResultCacheKey, GETRedisTimeout, onError, concurrencyLimit, }: RedisCacheParameter) => Cache;
export declare const defaultBuildRedisEntityId: BuildRedisEntityId;
export declare const defaultBuildRedisOperationResultCacheKey: BuildRedisOperationResultCacheKey;