/**
 * Returns a function that can help create a mapping key for the items.
 * Useful when doing .map on items to create a list of components.
 * Using this ensures that performance is optimal for FlashList
 */
export declare const useMappingHelper: () => {
    getMappingKey: (itemKey: string | number | bigint, index: number) => string | number | bigint;
};
//# sourceMappingURL=useMappingHelper.d.ts.map