class_docstr: Copies the input variable onto the specified device.
code: def check_type_forward(self, in_types):
      type_check._argname(in_types, ("x",))
  
file_path: chainer/chainer/functions/array/copy.py
imports: import chainer
  from chainer import backend
  from chainer.backends import cuda
  from chainer import function_node
  from chainer.utils import type_check
  import chainerx
label_desc: Use image node_id 2 for calling the Copy obj's underlying member method code with example usage: obj.check_type_forward(in_types) without return types