public List<Pair<Integer, GraphEdgeType>> getEdges(int nodeId) {
    return ContainerUtil.map(myEdges.get(nodeId),
                             compressEdge -> Pair.create(convertToInteger(retrievedNodeId(compressEdge)), retrievedType(compressEdge)));
  }
public List<Pair<Integer, GraphEdgeType>> getEdges(int nodeId)