Gem::SpecificationRecord#installed_stubs

# File tmp/rubies/ruby-4.0.0/lib/rubygems/specification_record.rb, line 198
def installed_stubs(pattern)
  map_stubs(pattern) do |path, base_dir, gems_dir|
    Gem::StubSpecification.gemspec_stub(path, base_dir, gems_dir)
  end
end