anchor.diff:                  return $package$finished;
               }
               $dart$core.Object e = e$151;
  -            return String.instance($package$stringify(e));
  +            return $ceylonString($package$stringify(e));
           }
   
           return new dart$Callable(step$2$154);
       }));
  -    return String.instance(", ").join(arg$146$0);
  +    return $ceylonString(", ").join(arg$146$0);
   })();
   
   $dart$core.String commaList([Iterable elements]) => $package$commaList(elements);
  
positive.code:     static $dart$core.bool $equals([final List $this, $dart$core.Object that]) {
          if (that is String) {
              $dart$core.String that$6;
              that$6 = String.nativeValue(that as String);
              return false;
          }
          {
  
negative.code:         }
          $dart$core.String oldString = this.toString();
          clear();
          _$delegate.write($ceylonString(($dartString($ceylonString(oldString).spanTo($ceylonInteger(index - 1))) + string) + $dartString($ceylonString(oldString).spanFrom($ceylonInteger(index)))));
          return this;
      }
      StringBuilder insertCharacter([$dart$core.int index, Character character]) => insert(index, character.toString());
  