code: def copy(self) -> "_Chunk":
      # TODO: Calling flush here would reduce the amount of future copying
      if isinstance(self.array, _ArrayPlaceholder):
          data = self.array
          ready = self.ready
      else:
          with self.on_ready() as stream:
              data = self.array.copy()
              ready = stream.record()
  
      return _Chunk(
          data,
          ready,
          self.index,
          list(self.updates),
          prevent_gc=self.prevent_gc,
      )
  
imports: import contextlib
  from itertools import chain
  from typing import Any, Iterator, Optional, Union
  import numpy
  from cupy._core.core import ndarray
  import cupy._creation.basic
  import cupy._manipulation.dims
  from cupy.cuda.device import Device
  from cupy.cuda.stream import Event
  from cupy.cuda.stream import Stream
  from cupy.cuda.stream import get_current_stream
  from cupyx.distributed.array import _modes
  from cupyx.distributed.array import _index_arith
  from cupyx.distributed.array import _data_transfer
  from cupyx.distributed.array._data_transfer import _Communicator
label_desc: Use image node_id 5 for calling the _Chunk obj's underlying member method code with example usage: obj.copy() and returns: _Chunk