var root = {
             "name": "flare",
              "id": 1,
             "children": [
              {
               "name": "analytics",
                "id": 2,
               "children": [
                {
                 "name": "cluster",
                 "id": 3,
                 "children": [
                  {"name": "AgglomerativeCluster", "id": 4},
                  {"name": "CommunityStructure", "id": 5},
                  {"name": "HierarchicalCluster", "id": 6},
                  {"name": "MergeEdge", "id": 7}
                 ]
                },
                {
                 "name": "graph",
                 "id": 8,
                 "children": [
                  {"name": "BetweennessCentrality", "id": 9},
                  {"name": "LinkDistance", "id": 10},
                  {"name": "MaxFlowMinCut", "id": 11},
                  {"name": "ShortestPaths", "id": 12},
                  {"name": "SpanningTree", "id": 13}
                 ]
                },
                {
                 "name": "optimization",
                  "id": 14,
                 "children": [
                  {"name": "AspectRatioBanker", "id": 15}
                 ]
                }
               ]
              },
              
             ]
            };