export declare const INTERACTIVE_TAGS: string[];
export declare const INTERACTIVE_ROLES: string[];
export interface Viewport {
    width: number;
    height: number;
}
export declare function isHidden(el: Element): boolean;
export declare function getNormalizedText(el: Element): string;
export declare function normalizeText(str: string): string;
export declare function truncateAttrValue(value: string, limit?: number): string;
export declare function escapeAttribute(value: string): string;
export declare function containsSelector(el: Element, selector: string): boolean;
export declare function getOffsetTop(node: Node): number;
export declare function hasVisibleArea(element: Element): boolean;
export declare function isDeepHidden(element: Element): boolean;
export declare function isInteractive(el: Element): boolean;
export declare function getViewportSize(): Viewport;
export declare function isRectInViewport(rect: DOMRect, viewport: Viewport): boolean;
export declare function makeOverlaysOpaque(el: HTMLElement): void;
export declare function isRandomIdentifier(str: string): boolean;
export declare function fixZIndex(el: HTMLElement): void;
export declare function getElementDepth(el: Element): number;