export declare function string2domNode(s: string, withRoot?: boolean): HTMLElement;
export declare const getTextSize: (text: string, styles: {
    fontSize: string;
    fontFamily?: string;
}) => {
    w: number;
    h: number;
};
export declare function getAttrFromHtmlStr(rawHtml: string, attr: string): string | null;
export declare function getAllSrcsFromHtmlStr(rawHtml: string): (string | null)[] | null;
export declare function stripHtmlTag(s: string): string;
export declare function renameTag_danger(doc: HTMLElement, fromSelector: string, toTag: string): HTMLElement;
export declare function extractArrayFromTable(html: string): string[][] | null;