export declare const isContentDOM: (element: HTMLElement) => boolean; export declare const findContentDOM: (node: Node | null | undefined) => HTMLElement | null; export declare const compareParagraphsOrder: (paragraph1: HTMLElement, paragraph2: HTMLElement) => number; export declare const getTextContent: (node: Node, blackList?: string[]) => string; export declare const getOffsetOfParagraph: (node: Node, paragraph: HTMLElement) => number; export declare function getNodeAndOffset(node: Node, offset: number): { node: Node; offset: number; };