Set and return the options for possible files to
        load, replace etc. The stored element will determine the options.

        The refobjinterface and typinterface are responsible for providing the options

        :returns: the options
        :rtype: :class:`jukeboxcore.gui.treemodel.TreeModel`
        :raises: None

def fetch_options(self, ):
        """Set and return the options for possible files to
        load, replace etc. The stored element will determine the options.

        The refobjinterface and typinterface are responsible for providing the options

        :returns: the options
        :rtype: :class:`jukeboxcore.gui.treemodel.TreeModel`
        :raises: None
        """
        self._options, self._taskfileinfo_options = self.get_refobjinter().fetch_options(self.get_typ(), self.get_element())
        return self._options