211         struct WNode  struct in cv::ml::DTreesImpl
213             WNode()  in WNode()  argument
221             int class_idx;
222             double Tn;
223             double value;
225             int parent;
226             int left;
227             int right;
228             int defaultDir;
230             int split;
232             int sample_count;
233             int depth;
234             double maxlr;
237             int complexity;
238             double alpha;
239             double node_risk, tree_risk, tree_error;