anchor.diff:  typedef Future<bool> TaskDefinition(TaskContext ctx);
   
   /**
  + * Designed to enable features in __Hop__. Should be the last method called in
  + * `tool/hop_runner.dart`.
  + *
  + * If [paranoid] is `true`, [runHop] will verify the running script is
  + * `tool/hop_runner.dart` relative to the working directory.
  + *
    * [runHopCore] calls [io.exit] which terminates the application.
  - *
  - * [runHopCore] should be the last method you call in an application.
    */
  -void runHopCore() {
  +void runHopCore({bool paranoid: true}) {
  +  if(paranoid) {
  +    _paranoidHopCheck();
  +  }
     _sharedConfig.freeze();
     Runner.runCore(_sharedConfig);
   }
  
positive.code: 
  void addAsyncTask(String name, TaskDefinition execFuture) {
    _sharedConfig.addAsync(name, execFuture);
  }
  
  const String _colorFlag = 'color';
  
negative.code: import 'package:bot/bot_io.dart';
  import 'package:logging/logging.dart';
  import 'package:meta/meta.dart';
  import 'package:pathos/path.dart' as path;
  
  part 'src/hop/console_context.dart';
  part 'src/hop/help.dart';
  