public Content addAdditionalTabComponent(@NotNull AdditionalTabComponent tabComponent,
                                           @NotNull String id,
                                           @Nullable Icon icon,
                                           boolean closeable) {
    Content logContent = getUi().createContent(id, (ComponentWithActions)tabComponent, tabComponent.getTabTitle(), icon,
                                               tabComponent.getPreferredFocusableComponent());
    logContent.setCloseable(closeable);
    myAdditionalContent.put(tabComponent, logContent);
    getUi().addContent(logContent);
    return logContent;
  }
public Content addAdditionalTabComponent(@NotNull AdditionalTabComponent tabComponent,
                                           @NotNull String id,
                                           @Nullable Icon icon,
                                           boolean closeable)