import type { ChartUnit } from '../../../../core/types/chart-unit.js';
import type { DataPoint } from '../../../../core/types/data-point.js';
import type { Formatter } from '../../../../core/types/formatter.js';
import type { TooltipItem } from '../../../../core/types/tooltip.js';
import type { HistogramBin, WeakMapBins } from '../../../types/histogram.js';
export interface HistogramTooltipDataPoint extends DataPoint {
    bin: HistogramBin;
}
type AsyncValuesTooltipItem = TooltipItem & {
    asyncValues: () => string[];
};
/**
 * generate the tooltip items from the points and closes point
 *
 * return -
 */
export declare function toTooltipItems(binsMap: WeakMapBins, formatters: Formatter[], isSingle: boolean, units: ChartUnit[], points?: HistogramTooltipDataPoint[], closestPoint?: HistogramTooltipDataPoint): {
    tooltipItems: AsyncValuesTooltipItem[];
    closestTooltipItem?: AsyncValuesTooltipItem;
};
export {};