text: #!/usr/bin/env python3
  
  """Data structures used for function parameters."""
  
  from dataclasses import dataclass
  from enum import Enum
  
  
  class MessageClassOption(Enum):
      """Option to be used for the MessageClass header."""
  
      spam = "spam"
      ham = "ham"
  
  
  @dataclass
  class ActionOption:
      """Option to be used in the DidRemove, DidSet, Set, and Remove headers.
  
      :param local: An action will be performed on the SPAMD service's local database.
      :param remote: An action will be performed on the SPAMD service's remote database.
      """
  
      local: bool
      remote: bool
  