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: halt.rb
    path of file: ./repos/vagrant/plugins/guests/openwrt/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
  mo
    
        def self.halt(machine)
          begin
            machine.communicate.execute("halt")
          rescue IOError, Vagrant::Errors::SSHDisconnected
            # Ignore, this probably means connection closed because it
            # shut down.
          end
        end