code: function loadPrettyGraphSONSync(graph, filename) {
          var jsonText = fs.readFileSync(filename, { encoding: 'utf8' });
          var jsonObjArray = JSON.parse(jsonText);
          var jsonTextArray = _.map(jsonObjArray, JSON.stringify);
          var uglyText = jsonTextArray.join('\n');
          var StringInputStream = Tinkerpop.autoImport('StringInputStream');
          var stream = StringInputStream.from(uglyText);
          var builder = Tinkerpop.GraphSONReader.build();
          var mapper = _newGraphSONMapperSync();
          builder.mapper(mapper);
          var reader = builder.create();
          reader.readGraph(stream, graph);
          return graph;
      }
docs: ### `loadPrettyGraphSONSync(graph: Java.Graph, filename: string)` Loads the 'pretty' graph as GraphSON, and returns the graph (for fluent API).