text: from typing import Any, Dict, List, Type, TypeVar, Union
  
  import attr
  
  from .authentication_request_target import AuthenticationRequestTarget
  from .unset import UNSET, Unset
  
  T = TypeVar("T", bound="AuthenticationRequest")
  
  
  @attr.s(auto_attribs=True)
  class AuthenticationRequest:
      """ """
  
      api_key: str
      target: Union[Unset, AuthenticationRequestTarget] = UNSET
      additional_properties: Dict[str, Any] = attr.ib(init=False, factory=dict)
  
      def to_dict(self) -> Dict[str, Any]:
          api_key = self.api_key
          target: Union[Unset, Dict[str, Any]] = UNSET
          if not isinstance(self.target, Unset):
              target = self.target.to_dict()
  
          field_dict: Dict[str, Any] = {}
          field_dict.update(self.additional_properties)
          field_dict.update(
              {
                  "apiKey": api_key,
              }
          )
          if target is not UNSET:
              field_dict["target"] = target
  
          return field_dict
  
      @classmethod
      def from_dict(cls: Type[T], src_dict: Dict[str, Any]) -> T:
          d = src_dict.copy()
          api_key = d.pop("apiKey")
  
          _target = d.pop("target", UNSET)
          target: Union[Unset, AuthenticationRequestTarget]
          if isinstance(_target, Unset):
              target = UNSET
          else:
              target = AuthenticationRequestTarget.from_dict(_target)
  
          authentication_request = cls(
              api_key=api_key,
              target=target,
          )
  
          authentication_request.additional_properties = d
          return authentication_request
  
      @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
  