returns the xml namespace of the extension sub-packet root element . concode_field_sep String namespace concode_elem_sep Map<String,String> map concode_elem_sep String elementName concode_field_sep String getValue concode_elem_sep void setValue concode_elem_sep String toXML concode_elem_sep Collection<String> getNames concode_elem_sep String getElementName
String function ( ) { return namespace ; }