export declare function nodeHasStrikethrough(node: Node, container: Node): boolean;
export declare function cascadingComputedStyleHasStrikethrough(computedStyles: CSSStyleDeclaration[]): boolean;
export declare function styleHasStrikethrough(style: CSSStyleDeclaration | null): boolean;
export declare function textDecorationHasStrikethrough(textDecoration: string | null): boolean;
export declare function clearStrikethroughInElement(element: HTMLElement | SVGElement): void;
export declare function clearStrikethroughInRange(container: Node, range: Range): Range;
export declare function setStrikethroughInElement(element: HTMLElement | SVGElement): void;
export declare function setStrikethroughInRange(container: Node, range: Range): Range;