@Override
        public void batchChangeStarted(@NotNull Project project, @Nullable String activityName) {
          if (project == myProject) {
            stack.push(heavyActivities.heavyActivityStarted(activityName != null ? UIUtil.removeMnemonic(activityName) : IdeBundle.message("progress.file.system.changes")));
          }
        }
@Override
        public void batchChangeStarted(@NotNull Project project, @Nullable String activityName)