anchor.diff:        'seconds');
     print('${listener.numTypesMadeNullable} types made nullable');
     print('${listener.numNullChecksAdded} null checks added');
  +  print('${listener.numVariablesMarkedLate} variables marked late');
  +  print('${listener.numInsertedCasts} casts inserted');
  +  print('${listener.numInsertedParenthesis} parenthesis groupings inserted');
     print('${listener.numMetaImportsAdded} meta imports added');
     print('${listener.numRequiredAnnotationsAdded} required annotations added');
     print('${listener.numDeadCodeSegmentsFound} dead code segments found');
  +  print('and ${listener.numOtherEdits} other edits not categorized');
     print('${listener.numExceptions} exceptions in '
         '${listener.groupedExceptions.length} categories');
   
  
positive.code: 
    int numTypesMadeNullable = 0;
  
    int numNullChecksAdded = 0;
  
    int numMetaImportsAdded = 0;
  
negative.code:   }
  }
  
  ArgResults parseArguments(List<String> args) {
    ArgParser argParser = ArgParser();
    ArgResults parsedArgs;
  