code: public Map<String, Object> getAllAccumulatorResults() {
  		return accumulatorResults.entrySet()
  			.stream()
  			.collect(Collectors.toMap(Map.Entry::getKey, entry -> entry.getValue().getUnchecked()));
  	}
docs: Gets all accumulators produced by the job. The map contains the accumulators as
  mappings from the accumulator name to the accumulator value.
  
  @return A map containing all accumulators produced by the job.