import { ReactNode } from 'react';
type TooltipItemProps = {
    x: number;
    y: number;
    value: number;
    unit?: string;
    formatValue: (value: number) => string;
    showDelta?: boolean;
    deltaProps?: {
        percentageChange: number;
        isIncrease: boolean;
        isPositive: boolean;
        precision: number;
        language: string;
    };
    zIndex?: number;
};
export declare const TooltipItem: (props: TooltipItemProps) => ReactNode;
export {};