new (Gem::CommandManager)

    # File lib/rubygems/command_manager.rb, line 44
      def initialize
        @commands = {}
        register_command :build
        register_command :cert
        register_command :check
        register_command :cleanup
        register_command :contents
        register_command :dependency
        register_command :environment
        register_command :fetch
        register_command :generate_index
        register_command :help
        register_command :install
        register_command :list
        register_command :lock
        register_command :mirror
        register_command :outdated
        register_command :pristine
        register_command :query
        register_command :rdoc
        register_command :search
        register_command :server
        register_command :sources
        register_command :specification
        register_command :stale
        register_command :uninstall
        register_command :unpack
        register_command :update
        register_command :which
      end