9d59e00e_Beans_1_0_4_rc1_Documentation___To_specify_this
[Use this method] XmlOptions.setSaveAggresiveNamespaces() [To specify this] 
To minimize the number of namespace attributes generated for the saved XML. Note that this can reduce performance significantly.
XmlTokenSource (XMLBeans 1.0.4-rc1 Documentation)
To specify this