def METHOD_NAME(self):
    groups = defaultdict(list)
    for rev, rev_content in self.data.items():
        for config_file, config_file_content in (
            rev_content.get("definitions", {}).get("data", {}).items()
        ):
            for plot_id, plot_definition in config_file_content.get(
                "data", {}
            ).items():
                full_id = get_plot_id(plot_id, config_file)
                groups[full_id].append((rev, plot_id, plot_definition))
    return dict(groups)