import { FunctionComponent } from 'react';
import { GoalLine as GoalLineType } from './types';
import { AxisRendererProps, AxisScale } from '@visx/axis';
export declare const ChartGoalLine: FunctionComponent<{
    axisProps: AxisRendererProps<AxisScale>;
    goalLine: GoalLineType;
    toX: number;
    value: number;
    marginRight: number;
    formatYAxisLabel?: (value: any) => any;
    maxValueOfYAxis: number;
}>;
export declare const highestContrast: (baseColor: string, colorOptions: string[]) => string;
