import { FC } from 'react';
import { SankeyNodeExtra } from '../utils';
export declare type SankeyLabelPosition = 'inside' | 'outside';
export interface SankeyLabelFormatProps {
    x: number;
    y: number;
    textAnchor: string;
    node: SankeyNodeExtra;
}
export interface SankeyLabelProps {
    /**
     * Whether the element is active or not. Set internally by `Sankey`.
     */
    active: boolean;
    /**
     * Whether the label is disabled. Set internally by `Sankey`.
     */
    disabled: boolean;
    /**
     * Width of the chart. Set internally by `Sankey`.
     */
    chartWidth?: number;
    /**
     * CSS class to apply.
     */
    className?: string;
    /**
     * Fill color.
     */
    fill: string;
    /**
     * Label position.
     */
    position?: SankeyLabelPosition;
    /**
     * Node data. Set internally by `Sankey`.
     */
    node?: SankeyNodeExtra;
    /**
     * Opacity callback. Used internally by `Sankey`.
     */
    opacity: (active: boolean, disabled: boolean) => number;
    /**
     * Padding between the label and the node.
     */
    padding?: string | number;
    /**
     * Whether to show the label or not.
     */
    visible: boolean;
    /**
     * Width of the node set by the 'Sankey'.
     */
    nodeWidth: number;
    /**
     * Custom formatting for the label.
     */
    format?: (value: SankeyLabelFormatProps) => any;
}
export declare const SankeyLabel: FC<Partial<SankeyLabelProps>>;