import { HexString, IVoucherDetails } from '@gear-js/api';
declare function useVouchers(accountAddress: string | undefined, programId?: HexString): {
    vouchers: Record<`0x${string}`, IVoucherDetails> | undefined;
    isEachVoucherReady: boolean;
};
declare function useAccountVouchers(programId?: HexString): {
    vouchers: Record<`0x${string}`, IVoucherDetails> | undefined;
    isEachVoucherReady: boolean;
};
export { useVouchers, useAccountVouchers };