/guava/guava/src/com/google/common/util/concurrent/CollectionFuture.java
@ParametricNullness V value;
@ParametricNullness final V value;
result.add(element != null ? element.value : null); } return unmodifiableList(result); } } private static final class Present<V extends @Nullable Object> { <extra_id_0> Present(@ParametricNullness V value) { this.value = value; } } }