text: from typing import Dict, Tuple
  
  FILE_EXTENSIONS: Dict[str, Tuple[str, ...]] = {"imagery.historic": (".tif", ".tiff")}
  
  
  def is_extension(file_name: str, extentions: Tuple[str, ...]) -> bool:
      return file_name.lower().endswith(extentions)
  
  
  def is_tiff(path: str) -> bool:
      return is_extension(path, (".tiff", ".tif"))
  