question: it gets the itemset of this sequence at a given index position concode_field_sep int numberOfItems concode_elem_sep List<Itemset> itemsets concode_elem_sep int id concode_field_sep void addItem concode_elem_sep void addItem concode_elem_sep void addItem concode_elem_sep Sequence cloneSequenceMinusItems concode_elem_sep int size 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 Itemset remove concode_elem_sep Item remove concode_elem_sep void remove concode_elem_sep Sequence cloneSequence
target: Itemset function ( int arg0 ) { return itemsets . get ( arg0 ) ; }