import type ISPCookieRefresher from './ISPCookieRefresher';
import { type ServiceScope, ServiceKey } from '@microsoft/sp-core-library';
/**
 * This class refreshes cookies for SPO
 *
 * @internal
 */
export declare class DeferredCookieRefresher implements ISPCookieRefresher {
    /**
     * The service key for DeferredCookieRefresher.
     */
    static readonly serviceKey: ServiceKey<DeferredCookieRefresher>;
    private _serviceScope;
    private _cookieRefresher;
    constructor(serviceScope: ServiceScope);
    /**
     * Refresh the SPO cookie
     *
     * @internal
     */
    refreshCookie(claims: string | undefined, reauthId: string | undefined, usePopupAuth: boolean): Promise<void>;
    private _getCookieRefresher;
}
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