/**
 * Get computed style properties of a DOM element.
 *
 * @param element
 * @param styleProp
 */
export declare function getComputedStyles(element: Element): CSSStyleDeclaration | null;
/**
 * Get a computed style value by property.
 *
 * @param element
 * @param styleProp
 */
export declare function getComputedStyle(element: Element, styleProp: string): string | null;