How to use the monochrome-bot.SettingsValidators.isBoolean function in monochrome-bot

userSetting: false,
        defaultUserFacingValue: 'Enabled',
        convertUserFacingValueToInternalValue: SettingsConverters.createStringToBooleanConverter('enabled', 'disabled'),
        convertInternalValueToUserFacingValue: SettingsConverters.createBooleanToStringConverter('Enabled', 'Disabled'),
        validateInternalValue: SettingsValidators.isBoolean,
      },
      {
        userFacingName: 'Internet decks enabled',
        description: 'This setting controls whether decks imported from the internet may be used in this channel. If enabled, it is possible that someone will load a deck containing disagreeable content in this channel.',
        allowedValuesDescription: 'Either **enabled** or **disabled**',
        uniqueId: 'quiz/japanese/internet_decks_enabled',
        userSetting: false,
        defaultUserFacingValue: 'Enabled',
        convertUserFacingValueToInternalValue: SettingsConverters.createStringToBooleanConverter('enabled', 'disabled'),
        convertInternalValueToUserFacingValue: SettingsConverters.createBooleanToStringConverter('Enabled', 'Disabled'),
        validateInternalValue: SettingsValidators.isBoolean,
      },
    ],
  },
  {
    userFacingName: 'Fonts',
    children:
    [
      {
        userFacingName: 'Quiz font',
        description: 'This setting controls the font used for text rendered for quizzes.',
        allowedValuesDescription: availableFontsAllowedValuesString,
        uniqueId: 'quiz_font',
        defaultUserFacingValue: 'Noto Sans CJK',
        convertUserFacingValueToInternalValue: SettingsConverters.createMapConverter(
          fontForInput,
          true,

uniqueId: 'quiz/japanese/additional_answer_wait_time',
        defaultUserFacingValue: '2.15',
        convertUserFacingValueToInternalValue: SettingsConverters.stringToFloat,
        convertInternalValueToUserFacingValue: SettingsConverters.toString,
        validateInternalValue: SettingsValidators.createRangeValidator(0, 120),
      },
      {
        userFacingName: 'Conquest and Inferno modes enabled',
        description: 'This setting controls whether Conquest and Inferno mode quizzes can be run. Say k!quiz-conquest and k!quiz-inferno to find out more about what those are. Since only the person who started a Conquest or Inferno mode quiz or a server admin can stop it, it has potential to be disruptive if not controlled, so it is disabled by default.',
        allowedValuesDescription: 'Either **enabled** or **disabled**',
        uniqueId: 'quiz/japanese/conquest_and_inferno_enabled',
        userSetting: false,
        defaultUserFacingValue: 'Enabled',
        convertUserFacingValueToInternalValue: SettingsConverters.createStringToBooleanConverter('enabled', 'disabled'),
        convertInternalValueToUserFacingValue: SettingsConverters.createBooleanToStringConverter('Enabled', 'Disabled'),
        validateInternalValue: SettingsValidators.isBoolean,
      },
      {
        userFacingName: 'Internet decks enabled',
        description: 'This setting controls whether decks imported from the internet may be used in this channel. If enabled, it is possible that someone will load a deck containing disagreeable content in this channel.',
        allowedValuesDescription: 'Either **enabled** or **disabled**',
        uniqueId: 'quiz/japanese/internet_decks_enabled',
        userSetting: false,
        defaultUserFacingValue: 'Enabled',
        convertUserFacingValueToInternalValue: SettingsConverters.createStringToBooleanConverter('enabled', 'disabled'),
        convertInternalValueToUserFacingValue: SettingsConverters.createBooleanToStringConverter('Enabled', 'Disabled'),
        validateInternalValue: SettingsValidators.isBoolean,
      },
    ],
  },
  {
    userFacingName: 'Fonts',

uniqueId: 'quiz/japanese/additional_answer_wait_time',
        defaultUserFacingValue: '2.15',
        convertUserFacingValueToInternalValue: SettingsConverters.stringToFloat,
        convertInternalValueToUserFacingValue: SettingsConverters.toString,
        validateInternalValue: SettingsValidators.createRangeValidator(0, 120),
      },
      {
        userFacingName: 'Conquest and Inferno modes enabled',
        description: 'This setting controls whether Conquest and Inferno mode quizzes can be run. Say k!quiz-conquest and k!quiz-inferno to find out more about what those are. Since only the person who started a Conquest or Inferno mode quiz or a server admin can stop it, it has potential to be disruptive if not controlled, so it is disabled by default.',
        allowedValuesDescription: 'Either **enabled** or **disabled**',
        uniqueId: 'quiz/japanese/conquest_and_inferno_enabled',
        userSetting: false,
        defaultUserFacingValue: 'Enabled',
        convertUserFacingValueToInternalValue: SettingsConverters.createStringToBooleanConverter('enabled', 'disabled'),
        convertInternalValueToUserFacingValue: SettingsConverters.createBooleanToStringConverter('Enabled', 'Disabled'),
        validateInternalValue: SettingsValidators.isBoolean,
      },
      {
        userFacingName: 'Internet decks enabled',
        description: 'This setting controls whether decks imported from the internet may be used in this channel. If enabled, it is possible that someone will load a deck containing disagreeable content in this channel.',
        allowedValuesDescription: 'Either **enabled** or **disabled**',
        uniqueId: 'quiz/japanese/internet_decks_enabled',
        userSetting: false,
        defaultUserFacingValue: 'Disabled',
        convertUserFacingValueToInternalValue: SettingsConverters.createStringToBooleanConverter('enabled', 'disabled'),
        convertInternalValueToUserFacingValue: SettingsConverters.createBooleanToStringConverter('Enabled', 'Disabled'),
        validateInternalValue: SettingsValidators.isBoolean,
      },
    ],
  },
  {
    userFacingName: 'Fonts',

},
  {
    userFacingName: 'Shiritori Forever',
    children:
    [
      {
        userFacingName: 'Shiritori Forever enabled',
        description: 'Control whether Shiritori Forever is enabled, and where. After you change the setting, you will be asked where to apply it.',
        allowedValuesDescription: 'Either **enabled** or **disabled**',
        uniqueId: 'shiritoriforever',
        userSetting: false,
        serverSetting: false,
        defaultUserFacingValue: 'Disabled',
        convertUserFacingValueToInternalValue: SettingsConverters.createStringToBooleanConverter('enabled', 'disabled'),
        convertInternalValueToUserFacingValue: SettingsConverters.createBooleanToStringConverter('Enabled', 'Disabled'),
        validateInternalValue: SettingsValidators.isBoolean,
        onChannelSettingChanged: onShiritoriForeverEnabledChanged,
      },
    ],
  },
];