/guava/android/guava/src/com/google/common/primitives/ImmutableIntArray.java
array[0] = first;array[count] = value;
array[count] = value;
Builder(int initialCapacity) { array = new int[initialCapacity]; } @CanIgnoreReturnValue public Builder add(int value) { ensureRoomFor(1); <extra_id_0> count += 1; return this; } @CanIgnoreReturnValue public Builder addAll(int[] values) { ensureRoomFor(values.length);