code: def _device_to_method_name_and_kwargs(self, device):
      # Converts a device instance to the corresponding combination of
      # to_??? method name and kwargs.
  
      # chainerx
      if device.xp is chainerx:
          return None, {}
      # cupy
      if device.xp is cuda.cupy:
          return "to_gpu", {"device": device.device.id}
      # numpy
      assert device.xp is numpy
      if isinstance(device, _cpu.CpuDevice):
          return "to_cpu", {}
      # intel64
      assert isinstance(device, intel64.Intel64Device)
      return "to_intel64", {}
  
imports: from __future__ import absolute_import
  import abc
  import sys
  import threading
  import typing
  import warnings
  import numpy
  import chainer
  from chainer import backend
  from chainer.backends import _cpu
  from chainer.backends import cuda
  from chainer.backends import intel64
  from chainer import types
  from chainer import utils
  import chainerx
label_desc: Use image node_id 3 for calling the _ToDeviceVisitor obj's underlying member method code with example usage: obj._device_to_method_name_and_kwargs(device) and returns: str,  dict, None,  dict, str,  dict, str,  dict