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import { QueryResultCache } from "./QueryResultCache";
import { QueryResultCacheOptions } from "./QueryResultCacheOptions";
import { DataSource } from "../data-source/DataSource";
import { QueryRunner } from "../query-runner/QueryRunner";
/**
* Caches query result into Redis database.
*/
export declare class RedisQueryResultCache implements QueryResultCache {
protected connection: DataSource;
/**
* Redis module instance loaded dynamically.
*/
protected redis: any;
/**
* Connected redis client.
*/
protected client: any;
/**
* Type of the Redis Client (redis or ioredis).
*/
protected clientType: "redis" | "ioredis" | "ioredis/cluster";
constructor(connection: DataSource, clientType: "redis" | "ioredis" | "ioredis/cluster");
/**
* Creates a connection with given cache provider.
*/
connect(): Promise<void>;
/**
* Disconnects the connection
*/
disconnect(): Promise<void>;
/**
* Creates table for storing cache if it does not exist yet.
*/
synchronize(queryRunner: QueryRunner): Promise<void>;
/**
* Get data from cache.
* Returns cache result if found.
* Returns undefined if result is not cached.
*/
getFromCache(options: QueryResultCacheOptions, queryRunner?: QueryRunner): Promise<QueryResultCacheOptions | undefined>;
/**
* Checks if cache is expired or not.
*/
isExpired(savedCache: QueryResultCacheOptions): boolean;
/**
* Stores given query result in the cache.
*/
storeInCache(options: QueryResultCacheOptions, savedCache: QueryResultCacheOptions, queryRunner?: QueryRunner): Promise<void>;
/**
* Clears everything stored in the cache.
*/
clear(queryRunner?: QueryRunner): Promise<void>;
/**
* Removes all cached results by given identifiers from cache.
*/
remove(identifiers: string[], queryRunner?: QueryRunner): Promise<void>;
/**
* Removes a single key from redis database.
*/
protected deleteKey(key: string): Promise<void>;
/**
* Loads redis dependency.
*/
protected loadRedis(): any;
}