code: def _not_symbolic_zero(x):
      return not isinstance(x, jax.custom_derivatives.SymbolicZero)
  
imports: import functools
  import math
  import operator
  import typing
  from collections.abc import Callable, Sequence
  from typing import Any, cast, Optional, TypeVar, Union
  import jax
  import jax.core
  import jax.lax
  import jax.numpy
  import jax.tree_util
  from jaxtyping import Array, ArrayLike, Bool
  from ..._ad import filter_closure_convert, filter_custom_vjp
  from ..._errors import error_if
  from ..._filters import combine, filter, is_array, is_inexact_array, partition
  from ..._module import Static
  from ..._tree import tree_at, tree_equal
  from .._nontraceable import nonbatchable
  from .common import common_rewrite, fixed_asarray
label_desc: Use image node_id 22 for calling a global function with example usage: _not_symbolic_zero(x) and returns: unknown