import React from "react";
export interface StyledLegendProps {
    blockGroupColors: (string | undefined)[];
}
export interface LegendProps {
    blockGroupNames: string[];
    /** Style for each block group */
    blockGroupStyles: NonNullable<React.HTMLAttributes<HTMLElement>["style"]>[];
}
/**
 * Horizontal stacked bar chart component
 */
export declare const ChartLegend: React.FunctionComponent<LegendProps>;