void function ( String arg0 , DifferenceGroup arg1 ) { this . differenceGroups . put ( arg0 , arg1 ) ; }
add a difference group . if the difference group identifier already exists the old difference group will be overwritten . concode_field_sep HashMap<String,DifferenceGroup> differenceGroups concode_field_sep HashMap<String,DifferenceGroup> getDifferenceGroups concode_elem_sep void removeDifferenceGroup concode_elem_sep void clear concode_elem_sep void setDifferenceGroups