arangosh> var examples = require("org/arangodb/graph-examples/example-graph.js");
arangosh> var graph = examples.loadGraph("routeplanner");
arangosh> graph._getConnectingEdges({isCapital : true}, {isCapital : true});
[ 
  { 
    "_id" : "internationalHighway/956392898", 
    "_key" : "956392898", 
    "_rev" : "956392898", 
    "_from" : "germanCity/Berlin", 
    "_to" : "frenchCity/Paris", 
    "distance" : 1200 
  } 
]