/**
 * 获取dom节点Rect参数
 * */
export declare function getElementRect(node: HTMLElement | null): Partial<DOMRect>;
/**
 * 解析dom节点，考虑到有返回值为HTMLElement类型的函数
 * */
export declare function resovelElement(node: HTMLElement | (() => HTMLElement)): HTMLElement;
/**
 * 获取某节点所属的顶层document
 * */
export declare function getOwnerDocument(node?: HTMLElement | null): Document;