declare function getComputedStyle_2(element: Element): CSSStyleDeclaration; export { getComputedStyle_2 as getComputedStyle } export declare function getContainingBlock(element: Element): HTMLElement | null; export declare function getDocumentElement(node: Node | Window): HTMLElement; export declare function getNearestOverflowAncestor(node: Node): HTMLElement; export declare function getNodeName(node: Node | Window): string; export declare function getNodeScroll(element: Element | Window): { scrollLeft: number; scrollTop: number; }; export declare function getOverflowAncestors(node: Node, list?: OverflowAncestors, traverseIframes?: boolean): OverflowAncestors; export declare function getParentNode(node: Node): Node; export declare function getWindow(node: any): typeof window; export declare function isContainingBlock(element: Element): boolean; export declare function isElement(value: unknown): value is Element; export declare function isHTMLElement(value: unknown): value is HTMLElement; export declare function isLastTraversableNode(node: Node): boolean; export declare function isNode(value: unknown): value is Node; export declare function isOverflowElement(element: Element): boolean; export declare function isShadowRoot(value: unknown): value is ShadowRoot; export declare function isTableElement(element: Element): boolean; export declare function isWebKit(): boolean; declare type OverflowAncestors = Array; export { }