Gem::Specification#dependent_gems

# File tmp/rubies/ruby-4.0.0/lib/rubygems/specification.rb, line 1729
def dependent_gems(check_dev = true)
  out = []
  Gem::Specification.each do |spec|
    deps = check_dev ? spec.dependencies : spec.runtime_dependencies
    deps.each do |dep|
      next unless satisfies_requirement?(dep)
      sats = []
      find_all_satisfiers(dep) do |sat|
        sats << sat
      end
      out << [spec, dep, sats]
    end
  end
  out
end