    # File lib/fog/virtual_box/models/compute/server.rb, line 79
            def destroy
              requires :name, :raw
              unless raw.state == :powered_off
                stop
                wait_for { raw.session_state == :closed }
              end
              raw.unregister(:full)
              config_file = service.compose_machine_filename(name)
              config_directory = config_file.split(File::SEPARATOR)[0...-1].join(File::SEPARATOR)
              FileUtils.rm_rf(config_directory)
              true
            end