text: from typing import Any, Dict, List, Type, TypeVar, Union
  
  import attr
  
  from ..types import UNSET, Unset
  
  T = TypeVar("T", bound="AnotherAllOfSubModel")
  
  
  @attr.s(auto_attribs=True)
  class AnotherAllOfSubModel:
      """ """
  
      another_sub_property: Union[Unset, str] = UNSET
      additional_properties: Dict[str, Any] = attr.ib(init=False, factory=dict)
  
      def to_dict(self) -> Dict[str, Any]:
          another_sub_property = self.another_sub_property
  
          field_dict: Dict[str, Any] = {}
          field_dict.update(self.additional_properties)
          field_dict.update({})
          if another_sub_property is not UNSET:
              field_dict["another_sub_property"] = another_sub_property
  
          return field_dict
  
      @classmethod
      def from_dict(cls: Type[T], src_dict: Dict[str, Any]) -> T:
          d = src_dict.copy()
          another_sub_property = d.pop("another_sub_property", UNSET)
  
          another_all_of_sub_model = cls(
              another_sub_property=another_sub_property,
          )
  
          another_all_of_sub_model.additional_properties = d
          return another_all_of_sub_model
  
      @property
      def additional_keys(self) -> List[str]:
          return list(self.additional_properties.keys())
  
      def __getitem__(self, key: str) -> Any:
          return self.additional_properties[key]
  
      def __setitem__(self, key: str, value: Any) -> None:
          self.additional_properties[key] = value
  
      def __delitem__(self, key: str) -> None:
          del self.additional_properties[key]
  
      def __contains__(self, key: str) -> bool:
          return key in self.additional_properties
  