import * as React from 'react';
import { FormatValue } from "../_private/types";
export declare type RadarChartLabelSize = 's' | 'm';
export declare type Point = {
    xPercent: number;
    yPercent: number;
    label: string | null;
    axisName: string;
    originalValue: number | null;
};
export declare type NotEmptyPoint = {
    xPercent: number;
    yPercent: number;
    label: string;
    axisName: string;
    originalValue: number;
};
export declare type FigureValue = {
    axisName: string;
    value: number | null;
};
export declare type Figure = {
    color: string;
    name: string;
    values: readonly FigureValue[];
};
export declare type Data = {
    maxValue: number;
    axesLabels: Record<string, string>;
    figures: readonly Figure[];
    formatValueForLabel?: FormatValue;
    formatValueForTooltip?: FormatValue;
};
declare type Props = {
    ticks: number;
    figures: readonly Figure[];
    backgroundColor: string;
    withConcentricColor: boolean;
    labelSize: RadarChartLabelSize;
} & Data;
export declare type Axis = {
    name: string;
    label: string;
    angle: number;
};
export declare type ExtendedFigure = Figure & {
    points: readonly Point[];
    isFilled: boolean;
};
export declare const pointIsNotEmpty: (point: Point) => point is NotEmptyPoint;
export declare const angleToCoord: (angle: number, valueFraction: number) => {
    xPercent: number;
    yPercent: number;
};
export declare const sortFigureValues: (values: readonly FigureValue[], axesNames: readonly string[]) => FigureValue[];
export declare const RadarChart: React.FC<Props>;
export {};