/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 */
import { ServiceKey, type ServiceScope } from '@microsoft/sp-core-library';
import type { IPrefetchDataProvider } from './IPrefetchDataProvider';
/**
 * The PrefetchDataProviderService used for injecting CacheDataprovider singelton to SPHttpClient
 *
 * @internal
 */
export declare class PrefetchDataProviderService {
    static serviceKey: ServiceKey<PrefetchDataProviderService>;
    private _prefetchDataProvider;
    /**
     * Initializes a new instance of the PrefetchDataProviderService class.
     * @param serviceScope - The service scope.
     */
    constructor(serviceScope: ServiceScope);
    /**
     * Gets or sets the cache data provider
     *
     * @internal
     */
    get _provider(): IPrefetchDataProvider;
    set _provider(provider: IPrefetchDataProvider);
}
/**
 * Gets the service key.
 *
 * @internal
 */
export declare function getPrefetchDataProviderServiceKey(): ServiceKey<PrefetchDataProviderService>;
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