code: @ReplacedBy("java.util.Collections#addAll()")
      public static <T, E extends T, C extends Collection<T>> C addAll (C col, E[] values)
      {
          if (values != null) {
              for (E value : values) {
                  col.add(value);
              }
          }
          return col;
      }
docs: Adds all items in the given object array to the supplied collection and
  returns the supplied collection. If the supplied array is null, nothing
  is added to the collection.