# File lib/barby/outputter.rb, line 48
    def self.register(*method_names)
      if method_names.first.is_a? Hash
        method_names.first.each do |name, method_name|
          Barcode.register_outputter(name, self, method_name)
        end
      else
        method_names.each do |name|
          Barcode.register_outputter(name, self, name)
        end
      end
    end