code: def _get_max_opset_version_and_op(self):
      max_opset_version = _target.iOS13
      op_with_max_opset_version = None
      for func in self.functions.values():
          cur_max_opset, cur_op = func.get_max_opset_version_and_op()
          if cur_max_opset > max_opset_version:
              max_opset_version = cur_max_opset
              op_with_max_opset_version = cur_op
      return max_opset_version, op_with_max_opset_version
  
imports: from collections import defaultdict
  from typing import Dict, List
  import numpy
  import sympy
  from coremltools import _logger
  from coremltools.converters.mil._deployment_compatibility import AvailableTarget
  from coremltools.converters.mil.input_types import InputType
  from coremltools.converters.mil.mil.input_type import InternalInputType
  from coremltools.converters.mil.mil.ops.helper import _get_version_of_op
  from coremltools.converters.mil.mil.var import ListVar
  from .None import types
  from .block import Function
  from .operation import Operation
  from .types.symbolic import k_num_internal_syms, k_used_symbols
  from .var import Var
label_desc: Use image node_id 5 for calling the Program obj's underlying member method code with example usage: obj._get_max_opset_version_and_op() and returns: max_opset_version,  op_with_max_opset_version