You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: version.rb
    path of file: ./repos/ruby/lib/rubygems
    
    the code of the file until where you have to start completion: # frozen_st
    
  def bump
    @@bump[self] ||= begin
                       segments = self.segments
                       segments.pop while segments.any? {|s| String === s }
                       segments.pop if segments.size > 1

                       segments[-1] = segments[-1].succ
                       self.class.new segments.join(".")
                     end