anchor.diff:  
   [gremlin-groovy,modern]
   ----
  -g.V(1).outE().group().by(label).by(inV()).next()
  +g.V(1).outE().
  +  group().
  +    by(label).
  +    by(inV()).next()
   ----
   
   In this case, the line of execution does not return a `Traversal`.  It returns the first item in the `Traversal` with
  
positive.code: 
  public final class Traversals {
    public static Map<String,List<Vertex>> groupAround(GraphTraversalSource g, long vertexId) {
      return g.V(vertexId).outE().group().by(label).by(inV().fold()).next()
    }
  }
  ----
  
negative.code: trouble with in your application, try to convert the gist of it to one of the toy graphs.  Taking this step will make it
  easier for advanced Gremlin users to help you, which should lead to a faster response time for your problem. In
  addition, there is the added benefit that the mailing list post will be more relevant to other users, as it is
  not written solely in the context of your domain. If the sample data sets don't properly demonstrate your issue, then
  including a Gremlin script that can construct a small body of sample data would be equally helpful.
  
  [[help]]
  As you get familiar with the console, it is good to know what some of the basic commands are. A "command" is not
  