def METHOD_NAME(self, node,
                                 model,
                                 session,
                                 model_access,
                                 parent):
    """Install resources."""
    model_access.add_resource_by_name(
        session,
        node,
        parent,
        bool(not parent))
    for root, tree in model.items():
        self.METHOD_NAME(root, tree, session, model_access, node)