import React from 'react';
import type { BaseDatum, TooltipHeaderFormatter } from '../../../specs';
import type { PointerValue } from '../../../state/types';
import type { Datum } from '../../../utils/common';
import type { PropsOrChildrenWithProps } from '../types';
/** @public */
export type TooltipHeaderProps<D extends BaseDatum = Datum> = PropsOrChildrenWithProps<{
    header?: PointerValue<D> | null;
    formatter?: TooltipHeaderFormatter<D>;
}>;
declare const TooltipHeaderInner: <D extends BaseDatum = any>(props: TooltipHeaderProps<D>) => React.JSX.Element | null;
/** @public */
export declare const TooltipHeader: typeof TooltipHeaderInner;
export {};
//# sourceMappingURL=tooltip_header.d.ts.map