Gem::SpecificationRecord#map_stubs

# File tmp/rubies/ruby-3.4.1/lib/rubygems/specification_record.rb, line 204
def map_stubs(pattern)
  @dirs.flat_map do |dir|
    base_dir = File.dirname dir
    gems_dir = File.join base_dir, "gems"
    Gem::Specification.gemspec_stubs_in(dir, pattern) {|path| yield path, base_dir, gems_dir }
  end
end