declare const certToPEM: (cert: any) => any;
declare const hasValidSignature: (xml: any, cert: any, certThumbprint: any) => string | null;
declare const validateSignature: (xml: any, cert: any, certThumbprint: any) => string | null;
declare const sanitizeXML: (xml: any) => any;
export { hasValidSignature, validateSignature, certToPEM, sanitizeXML };