Namespace Javax.Xml.Bind.Util Classes JAXBResult https://docs.oracle.com/javase/8/docs/api/javax/xml/bind/util/JAXBResult.html JAXBSource https://docs.oracle.com/javase/8/docs/api/javax/xml/bind/util/JAXBSource.html ValidationEventCollector https://docs.oracle.com/javase/8/docs/api/javax/xml/bind/util/ValidationEventCollector.html