{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"//"}]}
                // us avoid useless growth of the graph with almost-equivalent nodes.
                // memory impact of this `anon_node_to_index` map remains tolerable, and helps
                self.current.anon_node_to_index.get_or_insert_with(target_dep_node, || {