docs: public <M> Graph<K, VV, EV> runScatterGatherIteration(
  			ScatterFunction<K, VV, M, EV> scatterFunction,
  			org.apache.flink.graph.spargel.GatherFunction<K, VV, M> gatherFunction,
  			int maximumNumberOfIterations) {
  
  		return this.runScatterGatherIteration(scatterFunction, gatherFunction,
  				maximumNumberOfIterations, null);
  	}