docs: void initButtons() {
  
          m_okButton = new Button(CmsVaadinUtils.getMessageText(org.opencms.workplace.Messages.GUI_DIALOG_BUTTON_OK_0));
          m_okButton.addClickListener(new ClickListener() {
  
              private static final long serialVersionUID = 1L;
  
              public void buttonClick(ClickEvent event) {
  
                  onClickOk();
              }
          });
          addButton(m_okButton);
          m_cancelButton = new Button(
              CmsVaadinUtils.getMessageText(org.opencms.workplace.Messages.GUI_DIALOG_BUTTON_CANCEL_0));
          m_cancelButton.addClickListener(new ClickListener() {
  
              private static final long serialVersionUID = 1L;
  
              @SuppressWarnings("synthetic-access")
              public void buttonClick(ClickEvent event) {
  
                  m_context.finish(new ArrayList<CmsUUID>());
              }
          });
  
          addButton(m_cancelButton);
      }