public void show(Collection<T> schemes) {
    if (schemes.isEmpty()) {
      Messages.showMessageDialog(IdeBundle.message("message.there.are.no.available.schemes.to.import"),
                                 IdeBundle.message("dialog.title.import"), Messages.getWarningIcon());
      return;
    }

    final JList list = new JBList(new CollectionListModel<>(schemes));
    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setCellRenderer(new SchemesToImportListCellRenderer());

    Runnable selectAction = () -> onSchemeSelected((T)list.getSelectedValue());

    showList(list, selectAction);
  }
public void show(Collection<T> schemes)