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: changelog.rb
    path of file: ./repos/fastlane/fastlane_core/lib/fastlane_core/update_checker
    
    the code of the file until where you have to start completion: require 'excon'

module FastlaneCore
  class Changelog
    class << self
      def show_changes(gem_name, current_version, update_gem_command: "bundle update")
        did_show_changelog = false

        self.releases(gem_name).each_with_index do |release, index|
          next unless Gem::Version.new(release['tag_name']) > Gem::Version.new(current_version)
          puts("")
          puts(release['name'].green)
          puts(release['body'])
          did_show_changelog = true

          next unless index == 2
          puts("")
          puts("To see all new
    
      def show_changes(gem_name, current_version, update_gem_command: "bundle update")
        did_show_changelog = false

        self.releases(gem_name).each_with_index do |release, index|
          next unless Gem::Version.new(release['tag_name']) > Gem::Version.new(current_version)
          puts("")
          puts(release['name'].green)
          puts(release['body'])
          did_show_changelog = true

          next unless index == 2
          puts("")
          puts("To see all new releases, open https://github.com/fastlane/#{gem_name}/releases".green)
          break
        end

        puts("")
        puts("Please update using `#{update_gem_command}`".green) if did_show_changelog
      rescue
        # Something went wrong, we don't care so much about this
      end

      def releases(gem_name)
        url = "https://api.github.com/repos/fastlane/#{gem_name}/releases"
        # We have to follow redirects, since some repos were moved away into a separate org
        server_response = Excon.get(url,
                                    middlewares: Excon.defaults[:middlewares] + [Excon::Middleware::RedirectFollower])
        JSON.parse(server_response.body)
      end
    end