/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 */
import type { ICacheData } from './ICacheData';
import type { IRequestCacheOptions } from './IRequestCacheOptions';
import type { IDisposable } from '@microsoft/sp-core-library';
/**
 * CacheKeyType describes the type of CacheKey that needs to be generated for the scenario.
 * @internal
 */
export declare enum CacheKeyType {
    HttpGenerated = 0,
    CustomGenerated = 1
}
/**
 * ICacheDataProvider is the contract to be met by caching data providers
 *
 * @internal
 */
export interface ICacheDataProvider<TKey> extends IDisposable {
    /**
     * Gets the cache key based on the provided arguments
     * @param keyType - Type of cache key
     * @param args - The arguments required to generate the Cache Key
     */
    getCacheKey(keyType: CacheKeyType, ...args: any[]): TKey;
    /**
     * Gets data from the cache provider for the given cache Key
     *
     * @param cacheKey - The key to retrieve the cache entry
     * @param options - The cache data options
     */
    getData<TData>(cacheKey: TKey, options: IRequestCacheOptions | undefined): Promise<ICacheData<TData>>;
    /**
     * Sets cache data for the given cache key
     *
     * @param cacheKey - The key to set the cached Data
     * @param cacheData - The cached data
     * @param options - The cache data options
     */
    setData<TData>(cacheKey: TKey, cacheData: TData, options: IRequestCacheOptions | undefined): Promise<boolean>;
}
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