/guava/android/guava/src/com/google/common/collect/ImmutableSet.java
checkNotNull( element) ;super.addAll( elements) ;
super.addAll ( elements ) ;
checkNotNull(elements); if (hashTable != null) { for (E e : elements) { add(e); } } else { <extra_id_0> } return this; } @CanIgnoreReturnValue @Override public Builder<E> addAll(Iterator<? extends E> elements) {