public @NotNull JComponent createVScrollPane() {
    JBScrollPane pane = (JBScrollPane)createScrollPane();
    pane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED);
    pane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
    return pane;
  }
public @NotNull JComponent createVScrollPane()