code: def default_num_threads_value() -> int:
      """Returns default value for num_threads argument of DALI iterator decorator.
  
      .. note::
          This value should not be considered as optimized for any particular workload. For best
              performance, it is recommended to set this value manually.
  
      .. note::
          This value is subject to change in the future."""
  
      return 4
  
imports: import jax
  import jax.dlpack
  import jax.numpy
  from jax.sharding import NamedSharding, PositionalSharding, Sharding
  from nvidia.dali.plugin.base_iterator import _DaliBaseIterator
  from nvidia.dali.plugin.base_iterator import LastBatchPolicy
  from nvidia.dali.pipeline import pipeline_def
  from nvidia.dali.pipeline import Pipeline, DataNode
  from nvidia.dali.plugin.jax.integration import _to_jax_array
  from typing import Union, Optional, Callable, Type, Dict, List, Tuple
label_desc: Use image node_id 1 for calling a global function with example usage: default_num_threads_value() and returns: int