def METHOD_NAME(self) -> Optional[Path]:
    cd = self.CACHE_DIR
    cpath: Optional[Path]
    if cd is None:
        cpath = None # means 'disabled' in cachew
    elif cd == '': # meh.. but need to make it None friendly..
        cpath = default_cache_dir()
    else:
        cpath = Path(cd)
    if cpath is not None:
        cpath.mkdir(exist_ok=True, parents=True)
    return cpath