export declare const isBorderBox: (element: Element) => boolean;
export declare const getElementBoxExtraWidth: (element: Element) => number;
export declare const getElementBoxExtraHeight: (element: Element) => number;
export declare const getElementWidth: (element: Element | Window) => number;
export declare const getElementOuterWidth: (element: HTMLElement) => number;
export declare const getElementHeight: (element: Element | Window) => number;
export declare const getElementOuterHeight: (element: HTMLElement) => number;
export declare const getElementOffset: (element: HTMLElement) => {
    left: number;
    top: number;
};