declare function useGetVoucherStatus(): (expirationBlock: number) => Promise<{
    expirationTimestamp: number;
    isVoucherActive: boolean;
}>;
declare function useVoucherStatus(expirationBlock: number | undefined): {
    expirationTimestamp: undefined;
    isVoucherActive: undefined;
    isVoucherStatusReady: false;
} | {
    isVoucherStatusReady: true;
    expirationTimestamp: number;
    isVoucherActive: boolean;
};
export { useVoucherStatus, useGetVoucherStatus };