import { Type } from "./type";
/**
 * Describes available types of trend lines supported by series.
 */
export declare enum TrendLineType {
    /**
     * No trend line will be displayed.
     */
    None = 0,
    /**
     * Linear fit.
     */
    LinearFit = 1,
    /**
     * Quadratic polynomial fit.
     */
    QuadraticFit = 2,
    /**
     * Cubic polynomial fit.
     */
    CubicFit = 3,
    /**
     * Quartic polynomial fit.
     */
    QuarticFit = 4,
    /**
     * Quintic polynomial fit.
     */
    QuinticFit = 5,
    /**
     * Logarithmic fit.
     */
    LogarithmicFit = 6,
    /**
     * Exponential fit.
     */
    ExponentialFit = 7,
    /**
     * Powerlaw fit.
     */
    PowerLawFit = 8,
    /**
     * Simple moving average.
     */
    SimpleAverage = 9,
    /**
     * Exponential moving average.
     */
    ExponentialAverage = 10,
    /**
     * Modified moving average.
     */
    ModifiedAverage = 11,
    /**
     * Cumulative moving average.
     */
    CumulativeAverage = 12,
    /**
     * Weighted moving average.
     */
    WeightedAverage = 13
}
/**
 * @hidden
 */
export declare let TrendLineType_$type: Type;