export declare class Xml {
    static escapeValue(value: string): string;
    static getElementContent(xml: string, tagName: string): string | null;
    static setElementContent(xml: string, tagName: string, content: string): string;
    static hasElement(xml: string, tagName: string): boolean;
    static insertChild(xml: string, parentTagName: string, childXml: string): string;
    static wrapInElements(content: string, tagNames: string[]): string;
    static escapeRegex(str: string): string;
}