anchor.diff:              return 0;
           }
       }
  -    $dart$core.bool positive;
  -    $dart$core.bool negative;
  -    $dart$core.Object fractionalPart;
  -    $dart$core.Object wholePart;
  +    $dart$core.bool get positive;
  +    $dart$core.bool get negative;
  +    $dart$core.Object get fractionalPart;
  +    $dart$core.Object get wholePart;
       $dart$core.Object timesInteger([$dart$core.int integer]);
       $dart$core.Object plusInteger([$dart$core.int integer]);
       $dart$core.Object powerOfInteger([$dart$core.int integer]);
  
positive.code: Callable or([Callable p, Callable q]) => $package$or(p, q);
  
  abstract class Ordinal {
      $dart$core.Object successor;
      $dart$core.Object predecessor;
  }
  Tuple $package$findPair([Callable selecting, Iterable firstIterable, Iterable secondIterable]) {
      Iterator firstIter = firstIterable.iterator();
  
negative.code: Array arrayOfSize([$dart$core.int size, $dart$core.Object element]) => $package$arrayOfSize(size, element);
  
  abstract class Binary {
      $dart$core.Object get not;
      $dart$core.Object leftLogicalShift([$dart$core.int shift]);
      $dart$core.Object rightLogicalShift([$dart$core.int shift]);
      $dart$core.Object rightArithmeticShift([$dart$core.int shift]);
  