dom io io NotSerializableException io ObjectInputStream io ObjectOutputStream w3c dom DOMConfiguration w3c dom UserDataHandler w3c dom psvidocumentimpl documentimpl serialversionuid l psvidocumentimpl psvidocumentimpl documenttype doctype doctype node clonenode deep psvidocumentimpl newdoc psvidocumentimpl calluserdatahandlers newdoc userdatahandler.node_cloned clonenode newdoc deep newdoc.mutationevents mutationevents newdoc domimplementation getimplementation psvidomimplementationimpl.getdomimplementation createelementns namespaceuri qualifiedname domexception psvielementnsimpl namespaceuri qualifiedname createelementns namespaceuri qualifiedname localpart domexception psvielementnsimpl namespaceuri qualifiedname localpart attr createattributens namespaceuri qualifiedname domexception psviattrnsimpl namespaceuri qualifiedname attr createattributens namespaceuri qualifiedname localname domexception psviattrnsimpl namespaceuri qualifiedname localname domconfiguration getdomconfig super.getdomconfig fconfiguration writeobject objectoutputstream notserializableexception readobject objectinputstream classnotfoundexception notserializableexception