code: def instantiate(
      self,
      mode: str = REPLICA,
  ) -> tuple[numpy.ndarray, array.DistributedArray]:
      np_arr = numpy.arange(self.size).reshape(self.shape)
      d_arr = array.distributed_array(np_arr, self.index_map, mode)
      return np_arr, d_arr
  
imports: import dataclasses
  import math
  import pytest
  import numpy
  import cupy
  from cupy import testing
  from cupyx.distributed.array import _linalg
  from cupyx.distributed import array
  from cupyx.distributed.array import REPLICA, SUM
label_desc: Use image node_id 2 for calling the ArrayConfig obj's underlying member method code with example usage: obj.instantiate(mode) and returns: np_arr,  d_arr