question: get properties of this iterator , as a bit-significant integer . concode_field_sep XPathContext keyContext concode_elem_sep Comparator collator concode_elem_sep ArrayList groupKeys concode_elem_sep ArrayList groups concode_elem_sep Expression keyExpression concode_elem_sep ArrayList initialItems concode_elem_sep int position concode_elem_sep AtomicComparer comparer concode_elem_sep SequenceIterator population concode_field_sep SequenceIterator iterateCurrentGroup concode_elem_sep Item next concode_elem_sep List getCurrentGroup concode_elem_sep Item current concode_elem_sep AtomicValue getCurrentGroupingKey concode_elem_sep void buildIndexedGroups concode_elem_sep boolean hasNext concode_elem_sep int position concode_elem_sep SequenceIterator getAnother concode_elem_sep int getLastPosition
target: int function ( ) { return LAST_POSITION_FINDER | LOOKAHEAD ; }