interface UseSessionTimerOptions {
    onSessionExpired?: () => void;
    onSessionRefreshed?: () => void;
    onRefreshError?: (error: Error) => void;
    expiryThreshold?: number;
}
/**
 * Hook to manage session expiration and refresh logic.
 * Tracks the session's remaining time and provides functionality to refresh the session or handle expiration.
 *
 * @param options - Configuration options for the session timer.
 * @param options.onSessionExpired - Callback invoked when the session expires.
 * @param options.onSessionRefreshed - Callback invoked when the session is successfully refreshed.
 * @param options.onRefreshError - Callback invoked when an error occurs during session refresh.
 * @param options.expiryThreshold - Time in milliseconds before session expiry to show the modal (default: 60000ms or 60s).
 *
 * @returns An object containing:
 * - `showModal`: Boolean indicating whether the session expiry modal should be shown.
 * - `countdown`: The remaining time in seconds before session expiry.
 * - `loading`: Boolean indicating whether a session refresh is in progress.
 * - `modalDismissed`: Boolean indicating whether the modal has been dismissed.
 * - `handleCloseModal`: Function to close the session expiry modal.
 * - `handleRefreshToken`: Function to refresh the session token.
 */
export declare function useSessionTimer({ onSessionExpired, onSessionRefreshed, onRefreshError, expiryThreshold, }?: UseSessionTimerOptions): {
    showModal: boolean;
    countdown: number;
    loading: boolean;
    modalDismissed: boolean;
    handleCloseModal: () => void;
    handleRefreshToken: () => Promise<void>;
};
export {};