import type { Datum, VChartSpecPipe } from '../../../../../types';
export declare const generateRegressionLinePipe: (type: "linearRegressionLine" | "lowessRegressionLine" | "polynomialRegressionLine" | "logisticRegressionLine", regressionFunction: (arr: Datum[], xAccessor: (d: Datum) => number, yAccessor: (d: Datum) => number, options?: any) => {
    confidenceInterval: (N: number) => {
        lower: number;
        upper: number;
        x: number;
    }[];
    evaluateGrid: (N: number) => {
        x: number;
        y: number;
    }[];
}, getOptions?: (lineConfig: any) => any) => VChartSpecPipe;
export declare const linearRegressionLine: VChartSpecPipe;
export declare const lowessRegressionLine: VChartSpecPipe;
export declare const polynomialRegressionLine: VChartSpecPipe;
export declare const logisticRegressionLine: VChartSpecPipe;
