docs: public static boolean isInSSSP(final Edge<Long, Double> edgeToBeRemoved, DataSet<Edge<Long, Double>> edgesInSSSP) throws Exception {
  
  		return edgesInSSSP.filter(new FilterFunction<Edge<Long, Double>>() {
  			@Override
  			public boolean filter(Edge<Long, Double> edge) throws Exception {
  				return edge.equals(edgeToBeRemoved);
  			}
  		}).count() > 0;
  	}