class SamplePrecompiledContract extends PrecompiledContracts.PrecompiledContract {

    public int GetBalance(Object... args)
    {
        UscAddress addr = new UscAddress("cd2a3d9f938e13cd947ec05abc7fe734df8dd826");

        return repository.getBalance(addr).asBigInteger().intValue();
    }

    public  SamplePrecompiledContract(UscAddress contractAddress);

}