import { default as React } from 'react';
import { SankeyChartLinkExtended } from '../types';
export interface SankeyChartLinkProps {
    link: SankeyChartLinkExtended;
    /** Single color when gradient is not used */
    color?: string;
    /** When set with targetColor, link stroke is a gradient from source to target */
    sourceColor?: string;
    targetColor?: string;
    /** Unique suffix for gradient id (e.g. link index) when multiple links share same source/target */
    gradientIdSuffix?: string | number;
    opacity: number;
    hoverOpacity: number;
    pathGenerator: (link: SankeyChartLinkExtended, ...args: Array<any>) => string | null;
    onMouseEnter?: (link: SankeyChartLinkExtended, event: React.MouseEvent) => void;
    onMouseLeave?: () => void;
}
export declare const SankeyChartLink: React.MemoExoticComponent<({ link, color, sourceColor, targetColor, gradientIdSuffix, opacity, hoverOpacity, pathGenerator, onMouseEnter, onMouseLeave, }: SankeyChartLinkProps) => React.JSX.Element | null>;