<s>[INST] returns an unmodifiable , empty longlist . concode_field_sep LongIterator EMPTY_LONG_ITERATOR concode_elem_sep LongList EMPTY_LONG_LIST concode_elem_sep LongListIterator EMPTY_LONG_LIST_ITERATOR concode_field_sep LongList singletonLongList concode_elem_sep LongListIterator unmodifiableLongListIterator concode_elem_sep LongIterator getEmptyLongIterator concode_elem_sep LongList unmodifiableLongList concode_elem_sep LongIterator singletonLongIterator concode_elem_sep LongListIterator singletonLongListIterator concode_elem_sep LongListIterator getEmptyLongListIterator concode_elem_sep LongIterator unmodifiableLongIterator [/INST] LongList function ( ) { return EMPTY_LONG_LIST ; </s>