col tree api parents with placeholders

parents.json

// 20190903122905
// http://localhost:8080/dataset/3/tree/f55812e8-5422-402e-b071-b67a9cdf481f--incertae-sedis--FAMILY

[
  {
    "datasetKey": 3,
    "id": "f55812e8-5422-402e-b071-b67a9cdf481f",
    "parentId": "0",
    "name": "<i>Viruses</i>",
    "rank": "kingdom",
    "status": "accepted",
    "childCount": 99,
    "estimates": [
      {
        "key": 225,
        "subject": {
          "id": "f55812e8-5422-402e-b071-b67a9cdf481f",
          "name": "Viruses",
          "rank": "kingdom",
          "code": "virus"
        },
        "created": "2015-10-22T21:24:25",
        "createdBy": 0,
        "modifiedBy": 0,
        "estimate": 2876,
        "type": "described species living",
        "referenceId": "18"
      },
      {
        "key": 226,
        "subject": {
          "id": "f55812e8-5422-402e-b071-b67a9cdf481f",
          "name": "Viruses",
          "rank": "kingdom",
          "code": "virus"
        },
        "created": "2015-10-22T21:30:57",
        "createdBy": 0,
        "modifiedBy": 0,
        "estimate": 3186,
        "type": "described species living",
        "referenceId": "66"
      }
    ],
    "sectorKey": 2946,
    "estimate": 3031
  },
  {
    "datasetKey": 3,
    "id": "0",
    "name": "<i>Biota</i>",
    "rank": "unranked",
    "status": "accepted",
    "childCount": 8,
    "datasetSectors": {
      "1005": 1,
      "1006": 3,
      "1008": 1,
      "1009": 1,
      "1010": 6,
      "1011": 1,
      "1012": 1,
      "1014": 1,
      "1015": 1,
      "1018": 1,
      "1019": 1,
      "1020": 1,
      "1021": 1,
      "1022": 1,
      "1023": 1,
      "1024": 44,
      "1025": 1,
      "1026": 1,
      "1027": 1,
      "1028": 2291,
      "1029": 1,
      "1030": 1,
      "1031": 1,
      "1032": 1,
      "1033": 5,
      "1034": 2,
      "1036": 18,
      "1037": 10,
      "1038": 25,
      "1039": 19,
      "1040": 1,
      "1042": 1,
      "1044": 1,
      "1045": 1,
      "1046": 3,
      "1047": 1,
      "1048": 1,
      "1049": 1,
      "1050": 1,
      "1051": 6,
      "1052": 1,
      "1053": 1,
      "1054": 1,
      "1055": 5,
      "1057": 1,
      "1058": 1,
      "1059": 1,
      "1061": 19,
      "1062": 1,
      "1063": 1,
      "1065": 1,
      "1066": 1,
      "1067": 10,
      "1068": 1,
      "1069": 1,
      "1070": 1,
      "1073": 1,
      "1074": 2,
      "1076": 1,
      "1078": 1,
      "1079": 58,
      "1080": 1,
      "1081": 1,
      "1082": 1,
      "1085": 1,
      "1086": 1,
      "1087": 1,
      "1088": 1,
      "1089": 1,
      "1090": 1,
      "1091": 1,
      "1092": 5,
      "1093": 1,
      "1094": 1,
      "1095": 1,
      "1096": 1590,
      "1097": 50,
      "1098": 255,
      "1099": 6,
      "1100": 1,
      "1101": 1,
      "1103": 1,
      "1104": 1,
      "1105": 1,
      "1106": 1,
      "1107": 1,
      "1108": 1,
      "1109": 1,
      "1110": 1,
      "1112": 1,
      "1113": 1,
      "1115": 69,
      "1118": 3,
      "1119": 1,
      "1120": 1,
      "1122": 1,
      "1123": 1,
      "1124": 1,
      "1125": 1,
      "1126": 1,
      "1127": 1,
      "1128": 1,
      "1129": 1,
      "1130": 18,
      "1131": 3,
      "1132": 1,
      "1133": 1,
      "1134": 1,
      "1138": 1,
      "1139": 1,
      "1140": 2,
      "1141": 140,
      "1142": 1,
      "1143": 1,
      "1144": 1,
      "1146": 1,
      "1148": 1,
      "1149": 1,
      "1150": 1,
      "1152": 1,
      "1153": 1,
      "1154": 1,
      "1157": 1,
      "1158": 1,
      "1161": 1,
      "1162": 8,
      "1163": 1,
      "1164": 1,
      "1166": 1276,
      "1167": 1,
      "1168": 1,
      "1169": 1,
      "1170": 1,
      "1171": 1,
      "1172": 1,
      "1173": 1,
      "1174": 3,
      "1175": 1,
      "1176": 1,
      "1177": 1,
      "1178": 1,
      "1179": 2,
      "1180": 1,
      "1181": 1,
      "1182": 1,
      "1183": 1,
      "1184": 1,
      "1185": 1,
      "1186": 1,
      "1188": 1,
      "1189": 835,
      "1190": 1,
      "1191": 25,
      "1192": 3,
      "1193": 49,
      "1194": 1,
      "1195": 1,
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      "1198": 1,
      "1199": 1,
      "1200": 3,
      "1201": 12,
      "1202": 1,
      "1203": 1,
      "1204": 3
    }
  },
  {
    "datasetKey": 3,
    "id": "0--incertae-sedis--ORDER",
    "name": "Not assigned",
    "rank": "order",
    "status": "accepted",
    "childCount": 1
  },
  {
    "datasetKey": 3,
    "id": "0--incertae-sedis--FAMILY",
    "name": "Not assigned",
    "rank": "family",
    "status": "accepted",
    "childCount": 1
  }
]