/guava/android/guava/src/com/google/common/collect/MoreCollectors.java
if ( o == null) {
if ( element == null ) {
return Optional.ofNullable(element); } else { throw multiples(false); } } Object getElement() { <extra_id_0> throw new NoSuchElementException(); } else if (extras.isEmpty()) { return element; } else { throw multiples(false); }