<s>[INST] returns an unmodifiable version of the given non-null shortlistiterator . concode_field_sep ShortList EMPTY_SHORT_LIST concode_elem_sep ShortListIterator EMPTY_SHORT_LIST_ITERATOR concode_elem_sep ShortIterator EMPTY_SHORT_ITERATOR concode_field_sep ShortListIterator getEmptyShortListIterator concode_elem_sep ShortIterator singletonShortIterator concode_elem_sep ShortList unmodifiableShortList concode_elem_sep ShortListIterator singletonShortListIterator concode_elem_sep ShortIterator unmodifiableShortIterator concode_elem_sep ShortList getEmptyShortList concode_elem_sep ShortList singletonShortList concode_elem_sep ShortIterator getEmptyShortIterator [/INST] ShortListIterator function ( ShortListIterator arg0 ) { if ( null == arg0 ) { throw new NullPointerException ( ) ; } return UnmodifiableShortListIterator . wrap ( arg0 ) ; </s>