code: def get_spec_for_array(jax_array):
      """Utility to get ArraySpec for given JAX array."""
  
      return ArraySpec(shape=jax_array.shape, dtype=jax_array.dtype)
  
imports: import threading
  from nvidia.dali.plugin.base_iterator import LastBatchPolicy
  from nvidia.dali.plugin.jax.iterator import DALIGenericIterator, _data_iterator_impl
  from nvidia.dali.pipeline import Pipeline, DataNode
  from clu.data.dataset_iterator import ArraySpec, ElementSpec
  import concurrent.futures
  from typing import Union, Optional, Callable, Dict, List, Tuple
  import jax
  from jax.sharding import Sharding
label_desc: Use image node_id 1 for calling a global function with example usage: get_spec_for_array(jax_array) and returns: ArraySpec