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: flavor.rb
    path of file: ./repos/vagrant/plugins/guests/alt/cap
    
    the code of the file until where you have to start completion: # Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: BUSL-1.1

module VagrantPlugins
  module GuestALT
    module Cap
      class Flavor
        def 
    
        def self.flavor(machine)
          comm = machine.communicate

          # Read the version file
          if comm.test("test -f /etc/os-release")
            name = nil
            comm.sudo("grep NAME /etc/os-release") do |type, data|
              if type == :stdout
                name = data.split("=")[1].gsub!(/\A"|"\Z/, '')
              end
            end