code: def get_ref_and_indexers(
      ref_or_view: Any, idx: Indexer | None, function_name: str
  ) -> tuple[Any, tuple[indexing.NDIndexer, ...]]:
      if isinstance(ref_or_view, RefView):
          ref, indexers = ref_or_view.ref, ref_or_view.indexers
      else:
          ref, indexers = ref_or_view, ()
      ref_aval = core.get_aval(ref)
      if not isinstance(ref_aval, AbstractRef):
          raise ValueError(
              f"Can only call `{function_name}` on a `Ref`: {ref}."
          )
      if not isinstance(ref_aval.inner_aval, core.ShapedArray):
          return ref, ()
      if idx is None:
          return ref, indexers
      nd_indexer = indexing.NDIndexer.from_indices_shape(
          idx, ref_or_view.shape
      )
      return ref, (*indexers, nd_indexer)
  
imports: from __future__ import annotations
  from functools import partial
  from typing import Any, Union
  import numpy
  from jax._src import ad_util
  from jax._src import core
  from jax._src import pretty_printer
  from jax._src import tree_util
  from jax._src.interpreters import ad
  from jax._src.interpreters import batching
  from jax._src.interpreters import partial_eval
  from jax._src.interpreters import mlir
  from jax._src.lax import lax
  from jax._src.typing import Array
  from jax._src.state import indexing
  from jax._src.state.types import AbstractRef, RefView, ReadEffect, WriteEffect, AccumEffect
  from jax._src.util import safe_map, safe_zip
label_desc: Use image node_id 3 for calling a global function with example usage: get_ref_and_indexers(ref_or_view, idx, function_name) and returns: ref,  unknown,  nd_indexer, ref,  , ref,  indexers