anchor.diff:  Time,19,DateTimeZone.java,0,0,1
   Time,20,DateTimeFormatterBuilder.java,6,0,2
   Time,21,DefaultNameProvider.java,10,0,6
  -Time,22,MutablePeriod.java,0,0,1
  -Time,22,Period.java,0,0,1
  -Time,22,base/BasePeriod.java,8,0,0
  +Time,22,BasePeriod.java,5,0,1
   Time,23,DateTimeZone.java,5,4,4
   Time,24,DateTimeParserBucket.java,5,0,0
   Time,25,DateTimeZone.java,9,0,0
  -Time,26,chrono/ZonedChronology.java,0,0,7
  -Time,26,field/LenientDateTimeField.java,0,0,1
  +Time,26,ZonedChronology.java,0,0,7
   Time,27,PeriodFormatterBuilder.java,2,0,0
  
positive.code: Chart,19,CategoryPlot.java,6,0,0
  Chart,20,ValueMarker.java,0,0,1
  Chart,21,DefaultBoxAndWhiskerCategoryDataset.java,39,0,0
  Chart,22,KeyedObjects2D.java,94,0,33
  Chart,23,MinMaxCategoryRenderer.java,19,0,0
  Chart,24,GrayPaintScale.java,0,0,1
  Chart,25,StatisticalBarRenderer.java,12,0,2
  
negative.code: Math,28,SimplexSolver.java,4,0,0
  Math,29,OpenMapRealVector.java,12,1,3
  Math,30,MannWhitneyUTest.java,0,0,1
  Math,31,ContinuedFraction.java,0,20,13
  Math,32,PolygonsSet.java,0,0,1
  Math,33,SimplexTableau.java,0,0,1
  Math,34,ListPopulation.java,0,0,1
  