export declare enum TrendlineType {
    None = "None",
    LinearFit = "LinearFit",
    QuadraticFit = "QuadraticFit",
    CubicFit = "CubicFit",
    QuarticFit = "QuarticFit",
    LogarithmicFit = "LogarithmicFit",
    ExponentialFit = "ExponentialFit",
    PowerLawFit = "PowerLawFit",
    SimpleAverage = "SimpleAverage",
    ExponentialAverage = "ExponentialAverage",
    ModifiedAverage = "ModifiedAverage",
    CumulativeAverage = "CumulativeAverage",
    WeightedAverage = "WeightedAverage"
}