import type { TUserState } from "../../types/config";
export declare const DEFAULT_USER_STATE_NO_USER_ID: TUserState;
/**
 * Add a listener to check if the user state has expired with a certain interval
 */
export declare const addUserStateExpiryCheckListener: () => Promise<void>;
/**
 * Clear the person state expiry check listener
 */
export declare const clearUserStateExpiryCheckListener: () => void;
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