anchor.diff:  
       return _singleProjectCommands ??= create();
     }
  -
  -  MultiProjectCommands _defaultMultiProjectCommands;
  -//  @override
  -  MultiProjectCommands get defaultMultiProjectCommands =>
  -      _defaultMultiProjectCommands ??= multiProjectCommands();
  -
  -  @override
  -  MultiProjectCommands multiProjectCommands(
  -      {CommandConcurrencyMode defaultConcurrencyMode,
  -      ProjectFilter projectFilter}) {
  -    return new MultiProjectCommands(
  -        createGitCommands(this,
  -            multiProject: true,
  -            defaultConcurrencyMode: defaultConcurrencyMode,
  -            projectFilter: projectFilter),
  -        createGitFeatureCommands(this,
  -            multiProject: true,
  -            defaultConcurrencyMode: defaultConcurrencyMode,
  -            projectFilter: projectFilter),
  -        createPubSpecCommands(this,
  -            multiProject: true,
  -            defaultConcurrencyMode: defaultConcurrencyMode,
  -            projectFilter: projectFilter),
  -        createPubCommands(this,
  -            multiProject: true,
  -            defaultConcurrencyMode: defaultConcurrencyMode,
  -            projectFilter: projectFilter),
  -        createProjectLifecycle(this,
  -            multiProject: true,
  -            defaultConcurrencyMode: defaultConcurrencyMode,
  -            projectFilter: projectFilter),
  -        createProcessCommands(this,
  -            multiProject: false,
  -            defaultConcurrencyMode: defaultConcurrencyMode,
  -            projectFilter: projectFilter),
  -        createDockerCommands(this,
  -            installDirectory, // TODO: not sure if it is this or the container dir
  -            multiProject: false));
  -  }
   }
   
   class JefeProjectSetImpl extends DelegatingSet<JefeProject>
  
positive.code:   Future/*<T>*/ processAllSerially/*<T>*/(ProjectFunction/*<T>*/ command,
            {ProjectFilter filter, Combiner/*<T>*/ combine}) =>
        processDepthFirst(command, filter: filter, combine: combine);
  }
  
  bool _noOpFilter(Project p) => true;
  
negative.code:           ? new Some<JefeProject>(this)
            : directDependencies.getProjectByName(projectName);
  
    ProjectCommands _singleProjectCommands;
    @override
    ProjectCommands get singleProjectCommands {
  