/** Creates and returns 'default' project wizard with pre-defined pages only. */
  private ImportWizard createDefaultWizard() {
    final ProjectConfigDto dataObject =
        dtoFactory
            .createDto(ProjectConfigDto.class)
            .withSource(dtoFactory.createDto(SourceStorageDto.class).withType("").withLocation(""));

    final ImportWizard importWizard = importWizardFactory.newWizard(dataObject);
    importWizard.setUpdateDelegate(this);
    // add pre-defined first page
    importWizard.addPage(mainPage);
    return importWizard;
  }