class RuboCop::ConfigValidator

def validate_syntax_cop
  syntax_config = @config['Lint/Syntax']
  default_config = ConfigLoader.default_configuration['Lint/Syntax']
  return unless syntax_config && default_config.merge(syntax_config) != default_config
  raise ValidationError,
        "configuration for Syntax cop found in #{smart_loaded_path}\n" \
        'It\'s not possible to disable this cop.'
end