{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"//"}]}
                // Empty nodes and side effect nodes can have duplicates
            if index[node.kind.as_usize()].insert(node.hash, idx).is_some() {
                if node.kind != D::DEP_KIND_NULL && node.kind != D::DEP_KIND_SIDE_EFFECT {