import { default as EventEmitter } from 'events';
import { CacheValueType } from '.';
import { AdapterInstance } from '../adapter';
export declare const getCacheEvents: (emitter: EventEmitter) => {
    /**
     * Set cache data
     * @param data
     */
    emitCacheData: <Response, Error, Adapter extends AdapterInstance>(data: CacheValueType<Response, Error, Adapter> & {
        cached: boolean;
    }, isTriggeredExternally?: boolean) => void;
    /**
     * Invalidate cache values event
     */
    emitInvalidation: (cacheKey: string, isTriggeredExternally?: boolean) => void;
    /**
     * Delete of cache values
     */
    emitDelete: (cacheKey: string, isTriggeredExternally?: boolean) => void;
    /**
     * Cache data listener
     * @param callback
     * @returns
     */
    onData: <Response, Error, Adapter extends AdapterInstance>(callback: (data: CacheValueType<Response, Error, Adapter> & {
        cached: boolean;
    }) => void) => VoidFunction;
    /**
     * Cache data listener
     * @param cacheKey
     * @param callback
     * @returns
     */
    onDataByKey: <Response, Error, Adapter extends AdapterInstance>(cacheKey: string, callback: (data: CacheValueType<Response, Error, Adapter>) => void) => VoidFunction;
    /**
     * Cache invalidation listener
     * @param callback
     * @returns
     */
    onInvalidate: (callback: (cacheKey: string) => void) => VoidFunction;
    /**
     * Cache invalidation listener
     * @param cacheKey
     * @param callback
     * @returns
     */
    onInvalidateByKey: (cacheKey: string, callback: () => void) => VoidFunction;
    onDelete: (callback: (cacheKey: string) => void) => VoidFunction;
    onDeleteByKey: (cacheKey: string, callback: () => void) => VoidFunction;
};
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