# File lib/bundler/vendor/thor/lib/thor.rb, line 91
    def map(mappings = nil)
      @map ||= from_superclass(:map, {})

      if mappings
        mappings.each do |key, value|
          if key.respond_to?(:each)
            key.each { |subkey| @map[subkey] = value }
          else
            @map[key] = value
          end
        end
      end

      @map
    end