def METHOD_NAME(self, model: QtCore.QAbstractItemModel) -> None:
    """
    Collect model and route all config changes to the
    'config_changed' signal.
    """
    self._models.append(model)
    model.dataChanged.connect(self._on_config_changed)
    model.item_added.connect(self._on_config_changed)
    model.item_moved.connect(self._on_config_changed)
    model.item_removed.connect(self._on_config_changed)
    model.warning_raised.connect(self._on_warning_raised)