question: getinstance purpose . completes the singleton pattern of this factory class . concode_field_sep Map namespaceTranslators concode_elem_sep Map namespaceTranslatorInstances concode_elem_sep NameSpaceTranslatorFactory instance concode_field_sep void registerNameSpaceTranslator concode_elem_sep void addNameSpaceTranslator concode_elem_sep NameSpaceTranslator getNameSpaceTranslator
target: NameSpaceTranslatorFactory function ( ) { return instance ; }