stubs

# File lib/rubygems/specification.rb, line 746
  def self.stubs
    @@stubs ||= begin
      stubs = {}
      each_stub([default_specifications_dir] + dirs) do |stub|
        stubs[stub.full_name] ||= stub
      end

      stubs = stubs.values
      _resort!(stubs)
      stubs
    end
  end