public Builder addColors(
          int index, org.bwapi.proxy.messages.DrawCommands.Color value) {
        if (colorsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureColorsIsMutable();
          colors_.add(index, value);
          onChanged();
        } else {
          colorsBuilder_.addMessage(index, value);
        }
        return this;
      }