@extensibility(APPENDABLE)

module InternalSystem
{
    struct LicencePlateReq
    {
        unsigned long index;
        map<string, string> msg;
    };

    struct LicencePlateRsp
    {
        unsigned long index;
        string licence;
    };

    struct PrintReq
    {
        unsigned long index;
        map<string, string> msg;
    };

    struct PrintRsp
    {
        unsigned long index;
        string msg;
    };

    struct WeighReq
    {
        unsigned long index;
        map<string, string> msg;
    };

    struct WeighRsp
    {
        unsigned long index;
        float stable_weight;
        float instantaneous_weight;
    };

    struct IoCtrlReq
    {
        unsigned long index;
        map<string, string> msg;
    };

    struct IoCtrlRsp
    {
        unsigned long index;
        map<string, string> msg;
    };
};