import { QueryResultCache } from "./QueryResultCache";
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import { QueryResultCacheOptions } from "./QueryResultCacheOptions";
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import { QueryRunner } from "../query-runner/QueryRunner";
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import { Connection } from "../connection/Connection";
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/**
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* Caches query result into current database, into separate table called "query-result-cache".
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*/
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export declare class DbQueryResultCache implements QueryResultCache {
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protected connection: Connection;
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private queryResultCacheTable;
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constructor(connection: Connection);
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/**
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* Creates a connection with given cache provider.
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*/
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connect(): Promise<void>;
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/**
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* Disconnects with given cache provider.
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*/
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disconnect(): Promise<void>;
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/**
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* Creates table for storing cache if it does not exist yet.
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*/
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synchronize(queryRunner?: QueryRunner): Promise<void>;
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/**
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* Caches given query result.
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* Returns cache result if found.
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* Returns undefined if result is not cached.
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*/
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getFromCache(options: QueryResultCacheOptions, queryRunner?: QueryRunner): Promise<QueryResultCacheOptions | undefined>;
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/**
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* Checks if cache is expired or not.
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*/
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isExpired(savedCache: QueryResultCacheOptions): boolean;
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/**
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* Stores given query result in the cache.
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*/
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storeInCache(options: QueryResultCacheOptions, savedCache: QueryResultCacheOptions | undefined, queryRunner?: QueryRunner): Promise<void>;
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/**
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* Clears everything stored in the cache.
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*/
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clear(queryRunner: QueryRunner): Promise<void>;
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/**
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* Removes all cached results by given identifiers from cache.
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*/
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remove(identifiers: string[], queryRunner?: QueryRunner): Promise<void>;
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/**
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* Gets a query runner to work with.
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*/
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protected getQueryRunner(queryRunner: QueryRunner | undefined): QueryRunner;
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}
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