docs: public static DataSet<Edge<Long, String>> getEdges(ExecutionEnvironment env) {
  		List<Edge<Long, String>> edges = new ArrayList<>(INPUT_EDGES.length);
  		for (String edge : INPUT_EDGES) {
  			String[] tokens = edge.split(";");
  			edges.add(new Edge<>(Long.parseLong(tokens[0]), Long.parseLong(tokens[1]), tokens[2]));
  		}
  
  		return env.fromCollection(edges);
  	}