code: public java.util.List<OptionGroupOptionSetting> getOptionGroupOptionSettings() {
          if (optionGroupOptionSettings == null) {
              optionGroupOptionSettings = new com.amazonaws.internal.SdkInternalList<OptionGroupOptionSetting>();
          }
          return optionGroupOptionSettings;
      }
docs: <p>
  The option settings that are available (and the default value) for each option in an option group.
  </p>
  
  @return The option settings that are available (and the default value) for each option in an option group.