[rubocop] reported by reviewdog 🐶 Unused method argument - `color_theme`. If it's necessary, use `_` or `_color_theme` as an argument name to indicate that it won't be used. If it's unnecessary, remove it. You can also write as `validate_color_theme(*)` if you want the method to accept any arguments but don't care about them. Raw Output: _plugins/config_validator.rb:99:30: W: Lint/UnusedMethodArgument: Unused method argument - `color_theme`. If it's necessary, use `_` or `_color_theme` as an argument name to indicate that it won't be used. If it's unnecessary, remove it. You can also write as `validate_color_theme(*)` if you want the method to accept any arguments but don't care about them.