import type { TSciChart } from "../../../../../types/TSciChart";
import type { IDataSeries } from "../../../../Model/IDataSeries";
import type { CoordinateCalculatorBase } from "../../../../Numerics/CoordinateCalculators/CoordinateCalculatorBase";
declare function getNearestPolarPoint(webassemblyContext: TSciChart, xCoordinateCalculator: CoordinateCalculatorBase, yCoordinateCalculator: CoordinateCalculatorBase, dataSeries: IDataSeries, xHitCoord: number, yHitCoord: number): {
    nearestPointIndex: number;
    distance: number;
};
declare function getNearestPolarPointXDirSorted(webassemblyContext: TSciChart, xCoordinateCalculator: CoordinateCalculatorBase, yCoordinateCalculator: CoordinateCalculatorBase, dataSeries: IDataSeries, xHitPolarCoord: number, yHitPolarCoord: number): {
    nearestPointIndex: number;
    distance: number;
    secondNearestPointIndex: number;
};
export declare const polarHitTestHelpers: {
    getNearestPolarPoint: typeof getNearestPolarPoint;
    getNearestPolarPointXDirSorted: typeof getNearestPolarPointXDirSorted;
};
export {};
