@Nullable
  private ExtendedInfoComponent createExtendedInfoComponent() {
    SETab tab = myHeader.getSelectedTab();

    com.intellij.util.Function<SearchEverywhereContributor<?>, @Nullable ExtendedInfo> extendedInfoFunction =
      it -> it instanceof SearchEverywhereExtendedInfoProvider
            ? ((SearchEverywhereExtendedInfoProvider)it).createExtendedInfo()
            : null;

    boolean isExtendedInfoAvailable = !ContainerUtil.mapNotNull(tab.getContributors(), extendedInfoFunction).isEmpty();
    return ALL_CONTRIBUTORS_GROUP_ID.equals(tab.getID()) || isExtendedInfoAvailable
           ? new ExtendedInfoComponent(myProject, new ExtendedInfoImpl(tab.getContributors()))
           : null;
  }
@Nullable
  private ExtendedInfoComponent createExtendedInfoComponent()