import React from 'react';
import { Divider, Heading, Item } from '@splunk/react-ui/Menu';
export type MenuItem = React.ReactElement<React.ComponentProps<typeof Item | typeof Divider | typeof Heading>, typeof Item | typeof Divider | typeof Heading>;
type AdditionalTracking = {
    trackFirstElement?: boolean;
    trackLastElement?: boolean;
};
type ObserveLifecycleFn = (element: HTMLElement | null) => void;
/**
 * Find the index of an array element which is nearest to targetIndex and is a Menu.Item component
 * @param {Array} elements An array to search
 * @param {Number} targetIndex The target index. This is the ideal value to return.
 * @returns The index in the array of the nearest `Menu.Item` component to `targetIndex`, or -1 if no element is a `Menu.Item` component
 */
export declare const findClosestMenuItem: (elements: React.ReactNode[], targetIndex: number) => number;
/**
 * @private Keep the injection of `VirtualizedItem` DRY. Will always replace the middle-most non-divider/heading
 * with a VirtualizedItem instance.
 * - If `trackFirstElement` the **FIRST** non-divider/heading item will also be replaced.
 * - If `trackLastElement` the **LAST** non-divider/heading item will also be replaced.
 */
export declare const injectVirtualizedItem: (elements: React.ReactNode[] | undefined, onMount: ObserveLifecycleFn, onUnmount: ObserveLifecycleFn, { trackFirstElement, trackLastElement }?: AdditionalTracking) => React.ReactNode[];
export {};