code: def _get_rng_stack(count: int) -> Optional[jax.Array]:
      rng = base.maybe_next_rng_key()
      if rng is None:
          return None
      return jax.random.split(rng, count)
  
imports: import collections
  import functools
  import inspect
  from typing import Any, Callable, Optional, Protocol, Union
  from haiku._src import base
  from haiku._src import lift
  from haiku._src import module
  from haiku._src import transform
  import jax
  import jax.numpy
label_desc: Use image node_id 2 for calling a global function with example usage: _get_rng_stack(count) and returns: jax, None