public void setRightMargin(@Nullable Language language, int rightMargin) {
    if (language != null) {
      CommonCodeStyleSettings langSettings = myCommonSettingsManager.getCommonSettings(language);
      if (langSettings != null) {
        langSettings.RIGHT_MARGIN = rightMargin;
        return;
      }
    }
    setDefaultRightMargin(rightMargin);
  }
public void setRightMargin(@Nullable Language language, int rightMargin)