question: it removes the specified itemset from the sequence concode_field_sep int numberOfItems concode_elem_sep List<Itemset> itemsets concode_elem_sep int id concode_field_sep void addItem concode_elem_sep int compare concode_elem_sep int size concode_elem_sep Itemset get concode_elem_sep int length concode_elem_sep void setID concode_elem_sep int getId concode_elem_sep String toString concode_elem_sep long getTimeLength concode_elem_sep List<Itemset> getItemsets concode_elem_sep void addItemset concode_elem_sep Sequence cloneSequence
target: Itemset function ( int arg0 ) { Itemset loc0 = itemsets . remove ( arg0 ) ; numberOfItems -= loc0 . size ( ) ; return loc0 ; }