text: from enum import Enum
  from typing import Tuple, Type, Optional
  
  
  class Mode(Enum):
      SIMPLE = "s"
      EXTENDED = "e"
  
      def __str__(self) -> str:
          return self.value
  
  
  class Header(Enum):
      PATH = "Path"
      NAME = "Name"
      SIZE = "Size"
      MODIFIED = "Modified"
      ACCESSED = "Accessed"
      INPUT = "Input"
      OUTPUT = "Output"
  
      def __str__(self) -> str:
          return self.value
  
  
  Header_ref = Tuple[Header, Type, Optional[str]]
  