Method locate_node

consumer/src/tree.rs:570–578

(&self, node_id: NodeId)

    }

    pub fn locate_node(&self, node_id: NodeId) -> Option<(LocalNodeId, TreeId)> {
        if !self.has_node(node_id) {
            return None;
        }
        let (local_id, tree_index) = node_id.to_components();
        self.tree_index_map
            .get_id(tree_index)
            .map(|tree_id| (local_id, tree_id))
    }
}

pub trait ChangeHandler {