anchor.diff:  import './handler/get_all_envrionments_of_application.dart';
   import './handler/get_all_revisions_of_application.dart';
   import './handler/get_application.dart';
  +import './handler/get_application_environment.dart';
   import './handler/get_me.dart';
   import './handler/revoke_session.dart';
   import './persistent/application_datastore.dart';
  
positive.code:     applicationDatastore: applicationDatastore,
      authenticationService: authenticationService,
    );
    final getMe = new GetMe(authenticationService: authenticationService);
    final revokeSession = new RevokeSession(sessionDatastore: sessionDatastore);
  
  
negative.code:       .listen(getAllEnvironmentsOfApplication)
      ..serve(new UrlPattern(r'/applications/([0-9]+)/environments'), method: 'POST')
        .listen(createApplicationEnvironment)
      ..serve(new UrlPattern(r'/applications/([0-9]+)/environments/([0-9]+)'), method: 'GET')
        .listen(getApplicationEnvironment)
      ..serve(new UrlPattern(r'/applications/([0-9]+)/revisions'), method: 'GET')
        .listen(getAllRevisionsOfApplication)
      ..serve(new UrlPattern(r'/applications/([0-9]+)/revisions'), method: 'POST')
  