import type { MetricData, TooltipField } from '../types';
export declare const processTooltipFields: (tooltipAdditionalFields: (string | TooltipField)[]) => {
    toolTipkey: string;
    valueKey: string;
    nameKey: string;
    label: string;
    suffix: string;
    formatter: (value: any) => string;
}[];
export declare const createTooltipFormatter: (format: string, tooltipTitle: string, tooltipUnit: string, processedTooltipFields: ReturnType<typeof processTooltipFields>, metricData: MetricData[]) => (params: any) => string;