import { default as React, ReactElement, FC } from 'react';
import { Tooltip, TooltipProps } from 'reablocks';
import { SankeyLinkExtra } from '../utils';
export interface SankeyLinkProps extends SankeyLinkExtra {
    /**
     * Color of the link.
     */
    color?: string;
    /**
     * Whether the element is active or not. Set internally by `Sankey`.
     */
    active: boolean;
    /**
     * Whether to animate the enter/update/exit.
     */
    animated: boolean;
    /**
     * Id of Sankey chart. Set internally by `Sankey`.
     */
    chartId: string;
    /**
     * CSS class to apply.
     */
    className?: string;
    /**
     * Whether the node is disabled. Set internally by `Sankey`.
     */
    disabled: boolean;
    /**
     * Whether to use gradient or not.
     */
    gradient?: boolean;
    /**
     * Opacity callback for the link.
     */
    opacity: (active: boolean, disabled: boolean) => number;
    /**
     * CSS styles to apply.
     */
    style?: object;
    /**
     * Tooltip element.
     */
    tooltip?: ReactElement<TooltipProps, typeof Tooltip> | null;
    /**
     * Width of the link. Set internally by `Sankey`.
     */
    width: number;
    /**
     * Event for when the link is clicked.
     */
    onClick?: (event: React.MouseEvent<SVGPathElement>) => void;
    /**
     * Event for when the link has mouse enter.
     */
    onMouseEnter?: (event: React.MouseEvent<SVGPathElement>) => void;
    /**
     * Event for when the link has mouse leave.
     */
    onMouseLeave?: (event: React.MouseEvent<SVGPathElement>) => void;
}
export declare const SankeyLink: FC<Partial<SankeyLinkProps>>;