import { BaseObservableValue } from "../../observable/ObservableValue";
import type { Clock } from "../../platform/web/dom/Clock";
import { OidcApi } from "./OidcApi";
type Token = {
    accessToken: string;
    accessTokenExpiresAt: number;
    refreshToken: string;
};
export declare class TokenRefresher {
    private _token;
    private _accessToken;
    private _anticipation;
    private _clock;
    private _oidcApi;
    private _timeout;
    private _running;
    constructor({ oidcApi, refreshToken, accessToken, accessTokenExpiresAt, anticipation, clock, }: {
        oidcApi: OidcApi;
        refreshToken: string;
        accessToken: string;
        accessTokenExpiresAt: number;
        anticipation: number;
        clock: Clock;
    });
    start(): Promise<void>;
    stop(): void;
    get needsRenewing(): boolean;
    _renewingLoop(): Promise<void>;
    renew(): Promise<void>;
    get accessToken(): BaseObservableValue<string>;
    get token(): BaseObservableValue<Token>;
}
export {};