docs: public static Collector<Sample, ?, SampleSummaryStatistics>
  	toSampleStatistics(final int parameterCount) {
  		require.positive(parameterCount);
  
  		return Collector.of(
  			() -> new SampleSummaryStatistics(parameterCount),
  			SampleSummaryStatistics::accept,
  			SampleSummaryStatistics::combine
  		);
  	}