9d59e00e_Beans_1_0_4_rc1_Documentation___To_specify_this
[Use this method] XmlOptions.setSaveSuggestedPrefixes(java.util.Map) [To specify this] 
Suggested namespace prefixes to use when saving. Used only when a namespace attribute needs to be synthesized.
XmlTokenSource (XMLBeans 1.0.4-rc1 Documentation)
To specify this