code: def add(self, obj: T) -> "FluentList[T]":
      self._list.append(obj)
      return self
  
imports: from enum import Enum
  from typing import Union, Callable, Any, Dict, Optional, Type, List, Generic, TypeVar
label_desc: Use image node_id 2 for calling the FluentList obj's underlying member method code with example usage: obj.add(obj) and returns: self