text: public String toString() {StringBuilder sb = new StringBuilder();sb.append("dim=");sb.append(dim);sb.append(" path=");sb.append(Arrays.toString(path));sb.append(" value=");sb.append(value);sb.append(" childCount=");sb.append(childCount);sb.append('\n');for(LabelAndValue labelValue : labelValues) {sb.append("  ").append(labelValue).append("\n");}return sb.toString();}