arangosh> var examples = require("org/arangodb/graph-examples/example-graph.js");
arangosh> var graph = examples.loadGraph("routeplanner");
arangosh> graph._countCommonNeighbors('germanCity/Hamburg', {}, {direction : 'outbound', maxDepth : 2},
........> {direction : 'outbound', maxDepth : 2});
[ 
  { 
    "germanCity/Hamburg" : [ 
      { 
        "germanCity/Berlin" : 3 
      }, 
      { 
        "germanCity/Cologne" : 2 
      }, 
      { 
        "frenchCity/Paris" : 1 
      } 
    ] 
  } 
]