/// <reference types="react" />
export type ContainerElement<T = HTMLElement> = React.RefObject<T> | T | (() => React.RefObject<T> | T | undefined | null) | undefined | null;
/**
 * 获取容器元素
 *
 * @param container 容器
 * @param defaultElement 默认的容器元素
 */
export default function getContainerElement<T = HTMLElement>(container: ContainerElement<T>, defaultElement?: any): T;