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/tinycore/cap
    
    the code of the file until where you have to start completion: # Copyright (c) HashiCorp, Inc.
# SPDX-License-
    
        def self.halt(machine)
          begin
            machine.communicate.sudo("poweroff")
          rescue IOError, Vagrant::Errors::SSHDisconnected
            # Do nothing, because it probably means the machine shut down
            # and SSH connection was lost.
          end
        end