import * as React from 'react';
export declare type Children = (() => React.ReactNode) | React.ReactNode;
export declare type Direction = 'parent' | 'child' | 'sibling-next' | 'sibling-previous' | string;
export declare function _<T1>(arg: (() => T1) | T1): T1;
export declare function renderChildren(children?: (() => React.ReactNode) | React.ReactNode): React.ReactNode;
export declare function getElement<T extends HTMLElement>(ref: HTMLElement | null, direction: Direction): T | null;