def fetch_options(self, element):
        """Fetch the options for possible files to
        load replace etc for the given element.

        Options from which to choose a file to load or replace.
        The options are a :class:`jukeboxcore.gui.treemodel.TreeModel`
        with :class:`jukeboxcore.filesys.TaskFileInfo` as leafes internal data.
        I explicitly say leafes because the options might be sorted in a tree like strucure.
        So the user could first select a task and then the apropriate release.
        You can take the model and display it to the user so he can select a file.

        :param element: The element for which the options should be fetched.
        :type element: :class:`jukeboxcore.djadapter.models.Asset` | :class:`jukeboxcore.djadapter.models.Shot`
        :returns: the option model and a list with all TaskFileInfos
        :rtype: ( :class:`jukeboxcore.gui.treemodel.TreeModel`, list of :class:`TaskFileInfo` )
        :raises: None
        """
        tfis = self.fetch_option_taskfileinfos(element)
        return self.create_options_model(tfis), tfis