type PersistedAuthState = PersistedAuthState.LoggedIn | PersistedAuthState.ExplicitlyLoggedOut;
declare namespace PersistedAuthState {
    type Common = {
        __brand: "PersistedAuthState-v1";
    };
    export type LoggedIn = Common & {
        stateDescription: "logged in";
        untilTime: number | undefined;
    };
    export type ExplicitlyLoggedOut = Common & {
        stateDescription: "explicitly logged out";
    };
    export {};
}
export declare function persistAuthState(params: {
    configId: string;
    state: {
        stateDescription: "logged in";
        idleSessionLifetimeInSeconds: number | undefined;
        refreshTokenExpirationTime: number | undefined;
        serverDateNow: number;
    } | {
        stateDescription: "explicitly logged out";
    } | undefined;
}): void;
export declare function getPersistedAuthState(params: {
    configId: string;
}): PersistedAuthState["stateDescription"] | undefined;
export {};