code: def indirect_indexing(index_var, size, check=True) -> sympy.Symbol:
      return sympy_symbol(f"({str(index_var)})")
  
imports: from __future__ import annotations
  import itertools
  from contextlib import contextmanager
  from itertools import chain
  from threading import local
  from typing import Any, Callable, TYPE_CHECKING, Union
  from unittest.mock import patch
  import sympy
  from torch._inductor.utils import IndentedBuffer
  from torch.fx.graph import inplace_methods, magic_methods
  from .utils import reduction_num_outputs, sympy_str, sympy_symbol
label_desc: Use image node_id 3 for calling the MockHandler obj's underlying member method code with example usage: obj.indirect_indexing(index_var, size, check) and returns: sympy_symbol