text: from __future__ import annotations
  
  from datetime import date
  from typing import List, Optional, Union
  
  from pydantic import BaseModel, constr
  
  
  class Pet(BaseModel):
      id: int
      name: str
      tag: Optional[str] = None
  
  
  class Car(BaseModel):
      id: int
      name: str
      tag: Optional[str] = None
  
  
  class AnyOfItemItem(BaseModel):
      name: Optional[str] = None
  
  
  class AnyOfItem(BaseModel):
      __root__: Union[Pet, Car, AnyOfItemItem, constr(max_length=5000)]
  
  
  class ItemItem(BaseModel):
      name: Optional[str] = None
  
  
  class AnyOfobj(BaseModel):
      item: Optional[Union[Pet, Car, ItemItem, constr(max_length=5000)]] = None
  
  
  class AnyOfArrayItem(BaseModel):
      name: Optional[str] = None
      birthday: Optional[date] = None
  
  
  class AnyOfArray(BaseModel):
      __root__: List[Union[Pet, Car, AnyOfArrayItem, constr(max_length=5000)]]
  
  
  class Error(BaseModel):
      code: int
      message: str
  