# File lib/dm-validations/contextual_validators.rb, line 113
      def normalize_options(options, defaults = nil)
        context = [
          options.delete(:group),
          options.delete(:on),
          options.delete(:when),
          options.delete(:context)
        ].compact.first

        options[:context] = Array(context || :default)
        options.update(defaults) unless defaults.nil?
        options
      end