question: normalize the reference concode_field_sep MessageFormat MESSAGE_FORMAT_SEARCH concode_elem_sep String LEVEL_SEPARATOR concode_elem_sep ImplementationsContainer CONTAINER concode_elem_sep Map<String,DataDescriptionImpl> mapDataDescription concode_elem_sep MessageFormat MESSAGE_FORMAT concode_field_sep DataDescriptionImpl getDataDescription concode_elem_sep String createKey concode_elem_sep String createKey concode_elem_sep void addDataDescription concode_elem_sep String toString concode_elem_sep ImplementationsContainer getInstance concode_elem_sep List<DataDescriptionImpl> getDataDescriptionsByItem concode_elem_sep boolean hasDataDescription
target: String function ( String arg0 ) { String [ ] loc0 = StringUtils . split ( arg0 , LEVEL_SEPARATOR ) ; if ( loc0 != null && loc0 . length == 3 ) { return arg0 ; } return null ; }