anchor.diff:    }
   }
   
  -bool _runningFromSnapshot() => !Platform.script.path.endsWith('.dart');
  +bool get _runningFromSnapshot => !Platform.script.path.endsWith('.dart');
  
positive.code:             _cleanupOldOutputs(cachedGraph),
              FailureReporter.cleanErrorCache(),
            ]);
            if (_runningFromSnapshot()) {
              throw BuildScriptChangedException();
            }
          }
  
negative.code:             _cleanupOldOutputs(cachedGraph),
              FailureReporter.cleanErrorCache(),
            ]);
            if (_runningFromSnapshot) {
              throw BuildScriptChangedException();
            }
          }
  