code: def _generate_unique_name(self):
      name = self.__class__.__name__
  
      n_instances = self._names.get(name, 0)
      unique_name = make_name(name, n_instances, sep="_")
  
      n_instances += 1
      self._names[name] = n_instances
  
      return unique_name
  
imports: import inspect
  import warnings
  from typing import Any, Callable, Dict, List, Optional, Union, TYPE_CHECKING
  from baikal._core.data_placeholder import DataPlaceholder, is_data_placeholder_list
  from baikal._core.utils import listify, make_name, make_repr
label_desc: Use image node_id 2 for calling the _StepBase obj's underlying member method code with example usage: obj._generate_unique_name() and returns: unique_name