/**
 * Normally, getOffsetParent returns the offsetParent of the element
 * The special case is when the element is fixed positioned, and the offsetParent is the containing block or window
 * if offsetParent of the element is TableElement(Table, td, th), it will be ignore and keep looking up
 * the offsetParent of the element, which is html or body and position is static, is window
 */
export declare function getOffsetParent(element: Element): any;