public boolean scheduleUpdateOnce() {
    if (myProject != null && stateUpdatesSupportedFor(myTask) && myKindCombo.getComboBox().getItemCount() == 0) {
      final JComboBox comboBox = myKindCombo.getComboBox();
      final TaskRepository repository = myTask.getRepository();
      assert repository != null;
      new ComboBoxUpdater<CustomStateTrinityAdapter>(myProject, TaskBundle.message("progress.title.fetching.available.task.states"), comboBox) {
        @NotNull
        @Override
        protected List<CustomStateTrinityAdapter> fetch(@NotNull ProgressIndicator indicator) throws Exception {
          return CustomStateTrinityAdapter.wrapList(repository.getAvailableTaskStates(myTask));
        }

        @Nullable
        @Override
        public CustomStateTrinityAdapter getSelectedItem() {
          final CustomTaskState state = getPreferredState(repository, CustomStateTrinityAdapter.unwrapList(myResult));
          return state != null ? new CustomStateTrinityAdapter(state) : null;
        }
      }.queue();
      return true;
    }
    return false;
  }
public boolean scheduleUpdateOnce()