declare enum RuleVariable {
    Demand = 0,//!< Nodal demand
    Head = 1,//!< Nodal hydraulic head
    Grade = 2,//!< Nodal hydraulic grade
    Level = 3,//!< Tank water level
    Pressure = 4,//!< Nodal pressure
    Flow = 5,//!< Link flow rate
    Status = 6,//!< Link status
    Setting = 7,//!< Link setting
    Power = 8,//!< Pump power output
    Time = 9,//!< Elapsed simulation time
    ClockTime = 10,//!< Time of day
    FillTime = 11,//!< Time to fill a tank
    DrainTime = 12
}
export default RuleVariable;