map_stubs

# File lib/rubygems/specification.rb, line 794
  def self.map_stubs(dirs, pattern) # :nodoc:
    dirs.flat_map { |dir|
      base_dir = File.dirname dir
      gems_dir = File.join base_dir, "gems"
      gemspec_stubs_in(dir, pattern) { |path| yield path, base_dir, gems_dir }
    }
  end