Gem::ConfigFile.deep_transform_config_keys!

# File tmp/rubies/ruby-4.0.0/lib/rubygems/config_file.rb, line 563
def self.deep_transform_config_keys!(config)
  config.transform_keys! do |k|
    if k.match?(/\A:(.*)\Z/)
      k[1..-1].to_sym
    elsif k.include?("__") || k.match?(%r{/\Z})
      if k.is_a?(Symbol)
        k.to_s.gsub(/__/,".").gsub(%r{/\Z}, "").to_sym
      else
        k.dup.gsub(/__/,".").gsub(%r{/\Z}, "")
      end
    else
      k
    end
  end

  config.transform_values! do |v|
    if v.is_a?(String)
      if v.match?(/\A:(.*)\Z/)
        v[1..-1].to_sym
      elsif v.match?(/\A[+-]?\d+\Z/)
        v.to_i
      elsif v.match?(/\Atrue|false\Z/)
        v == "true"
      elsif v.empty?
        nil
      else
        v
      end
    elsif v.empty?
      nil
    elsif v.is_a?(Hash)
      deep_transform_config_keys!(v)
    else
      v
    end
  end

  config
end