def site_data_dir(self) -> str:
        """
        :return: data directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>` is
         enabled and ``XDG_DATA_DIR`` is set and a multi path the response is also a multi path separated by the OS
         path separator), e.g. ``/usr/local/share/$appname/$version`` or ``/usr/share/$appname/$version``
        """
        # XDG default for $XDG_DATA_DIRS; only first, if multipath is False
        path = os.environ.get("XDG_DATA_DIRS", "")
        if not path.strip():
            path = f"/usr/local/share{os.pathsep}/usr/share"
        return self._with_multi_path(path)

        :return: data directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>` is
         enabled and ``XDG_DATA_DIR`` is set and a multi path the response is also a multi path separated by the OS
         path separator), e.g. ``/usr/local/share/$appname/$version`` or ``/usr/share/$appname/$version``
        
product/runtime/src/main/python/pkg_resources/_vendor/platformdirs/unix.py