# File lib/thor.rb, line 10
  def self.map(map)
    @map ||= superclass.instance_variable_get("@map") || {}
    map.each do |key, value|
      if key.respond_to?(:each)
        key.each {|subkey| @map[subkey] = value}
      else
        @map[key] = value
      end
    end
  end