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: install_update_options.rb
    path of file: ./repos/rubygems/lib/rubygems
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++

require_relative "../rubygems"
require_relative "security_option"

##
# Mixin methods for install and update options for Gem::Commands

module Gem::InstallUpdateOptions
  include Gem::SecurityOption

  ##
  # Add the install/update options to the option parser.

  def add_install_update_options
    add_option(:"Install/Update", "-i", "--install-dir DIR",
               "Gem repository directory to get installed",
               "gems") do |value, options|
      options[:install_dir] = File.expand_path(value)
    end

    add_option(:"Install/Update", "-n", "--bindir DIR",
               "Directory where executables will be",
               "placed when the gem is installed") do |value, options|
      options[:bin_dir] = File.expand_path(value)
    end

    add_option(:"Install/Update", "--document [TYPES]", Array,
               "Generate documentation for installed gems",
               "List the documentation types you wish to",
               "generate.  For example: rdoc,ri") do |value, options|
      options[:document] = case value
                           when nil   then %w[ri]
                           when false then []
                           else value
      end
    end

    add_option(:"Install/Update", "--build-root DIR",
               "Temporary installation root. Useful for building",
               "packages. Do not use this when installing remote gems.") do |value, options|
      options[:build_root] = File.expand_path(value)
    end

    add_option(:"Install/Update", "--vendor",
               "Install gem into the vendor directory.",
               "Only for use by gem repackagers.") do |_value, options|
      unless Gem.vendor_dir
        raise Gem::OptionParser::InvalidOption.new "your platform is not supported"
      end

      options[:vendor] = true
      options[:install_dir] = Gem.vendor_dir
    end

    add_option(:"Install/Update", "-N", "--no-document",
               "Disable documentation generation") do |_value, options|
      options[:document] = []
    end

    add_option(:"Install/Update", "-E", "--[no-]env-shebang",
               "Rewrite the shebang line on ins
    
  def add_install_update_options
    add_option(:"Install/Update", "-i", "--install-dir DIR",
               "Gem repository directory to get installed",
               "gems") do |value, options|
      options[:install_dir] = File.expand_path(value)
    end

    add_option(:"Install/Update", "-n", "--bindir DIR",
               "Directory where executables will be",
               "placed when the gem is installed") do |value, options|
      options[:bin_dir] = File.expand_path(value)
    end

    add_option(:"Install/Update", "--document [TYPES]", Array,
               "Generate documentation for installed gems",
               "List the documentation types you wish to",
               "generate.  For example: rdoc,ri") do |value, options|
      options[:document] = case value
                           when nil   then %w[ri]
                           when false then []
                           else value
      end
    end

    add_option(:"Install/Update", "--build-root DIR",
               "Temporary installation root. Useful for building",
               "packages. Do not use this when installing remote gems.") do |value, options|
      options[:build_root] = File.expand_path(value)
    end

    add_option(:"Install/Update", "--vendor",
               "Install gem into the vendor directory.",
               "Only for use by gem repackagers.") do |_value, options|
      unless Gem.vendor_dir
        raise Gem::OptionParser::InvalidOption.new "your platform is not supported"
      end

      options[:vendor] = true
      options[:install_dir] = Gem.vendor_dir
    end

    add_option(:"Install/Update", "-N", "--no-document",
               "Disable documentation generation") do |_value, options|
      options[:document] = []
    end

    add_option(:"Install/Update", "-E", "--[no-]env-shebang",
               "Rewrite the shebang line on installed",
               "scripts to use /usr/bin/env") do |value, options|
      options[:env_shebang] = value
    end

    add_option(:"Install/Update", "-f", "--[no-]force",
               "Force gem to install, bypassing dependency",
               "checks") do |value, options|
      options[:force] = value
    end

    add_option(:"Install/Update", "-w", "--[no-]wrappers",
               "Use bin wrappers for executables",
               "Not available on dosish platforms") do |value, options|
      options[:wrappers] = value
    end

    add_security_option

    add_option(:"Install/Update", "--ignore-dependencies",
               "Do not install any required dependent gems") do |value, options|
      options[:ignore_dependencies] = value
    end

    add_option(:"Install/Update", "--[no-]format-executable",
               "Make installed executable names match Ruby.",
               "If Ruby is ruby18, foo_exec will be",
               "foo_exec18") do |value, options|
      options[:format_executable] = value
    end

    add_option(:"Install/Update", "--[no-]user-install",
               "Install in user's home directory instead",
               "of GEM_HOME.") do |value, options|
      options[:user_install] = value
    end

    add_option(:"Install/Update", "--development",
                "Install additional development",
                "dependencies") do |_value, options|
      options[:development] = true
      options[:dev_shallow] = true
    end

    add_option(:"Install/Update", "--development-all",
                "Install development dependencies for all",
                "gems (including dev deps themselves)") do |_value, options|
      options[:development] = true
      options[:dev_shallow] = false
    end

    add_option(:"Install/Update", "--conservative",
                "Don't attempt to upgrade gems already",
                "meeting version requirement") do |_value, options|
      options[:conservative] = true
      options[:minimal_deps] = true
    end

    add_option(:"Install/Update", "--[no-]minimal-deps",
                "Don't upgrade any dependencies that already",
                "meet version requirements") do |value, options|
      options[:minimal_deps] = value
    end

    add_option(:"Install/Update", "--[no-]post-install-message",
                "Print post install message") do |value, options|
      options[:post_install_message] = value
    end

    add_option(:"Install/Update", "-g", "--file [FILE]",
               "Read from a gem dependencies API file and",
               "install the listed gems") do |v,_o|
      v ||= Gem::GEM_DEP_FILES.find do |file|
        File.exist? file
      end

      unless v
        message = v ? v : "(tried #{Gem::GEM_DEP_FILES.join ", "})"

        raise Gem::OptionParser::InvalidArgument,
                "cannot find gem dependencies file #{message}"
      end

      options[:gemdeps] = v
    end