Gem::BundlerVersionFinder.missing_version_message

# File tmp/rubies/ruby-3.0.5/lib/rubygems/bundler_version_finder.rb, line 26
  def self.missing_version_message
    return unless vr = bundler_version_with_reason
    <<-EOS
Could not find 'bundler' (#{vr.first}) required by #{vr.last}.
To update to the latest version installed on your system, run `bundle update --bundler`.
To install the missing version, run `gem install bundler:#{vr.first}`
    EOS
  end