stubs

# File lib/rubygems/specification.rb, line 846
  def self.stubs
    @@stubs ||= begin
      pattern = "*.gemspec"
      stubs = default_stubs(pattern).concat installed_stubs(dirs, pattern)
      stubs = uniq_by(stubs) { |stub| stub.full_name }

      _resort!(stubs)
      @@stubs_by_name = stubs.group_by(&:name)
      stubs
    end
  end