import React from 'react';
import { NotEmptyItem, ScaleLinear } from "../../index";
declare type Props = {
    scaleX: ScaleLinear;
    scaleY: ScaleLinear;
    maxPoints: readonly NotEmptyItem[];
    minPoints?: readonly NotEmptyItem[];
    clipPath?: string;
    isHorizontal: boolean;
};
export declare const THRESHOLD_COLOR = "var(--color-bg-caution)";
export declare const getFillPoints: (maxPoints: readonly NotEmptyItem[], minPoints?: readonly NotEmptyItem[] | undefined) => NotEmptyItem[];
export declare const isStraightLine: (items: readonly NotEmptyItem[], isHorizontal: boolean) => boolean;
export declare const Threshold: React.FC<Props>;
export {};