public Builder addAllPlayers(
          java.lang.Iterable<? extends org.bwapi.proxy.messages.GameMessages.Player> values) {
        if (playersBuilder_ == null) {
          ensurePlayersIsMutable();
          super.addAll(values, players_);
          onChanged();
        } else {
          playersBuilder_.addAllMessages(values);
        }
        return this;
      }