void function ( ) { relations . clear ( ) ; }
clear all relations in the set . concode_field_sep Vector relations concode_field_sep boolean add concode_elem_sep boolean contains concode_elem_sep int size concode_elem_sep void addAll concode_elem_sep AccessibleRelation get concode_elem_sep AccessibleRelation[] toArray concode_elem_sep String toString concode_elem_sep boolean remove