@Override
  public @NotNull List<? extends DropDownLink<?>> getDropDownLinks() {
    DropDownLink<String> fileTypesLink = createFileTypesDropDownLink();
    DropDownLink<String> changedLinesLink = createChangedLinesDropDownLink();
    return changedLinesLink != null ? List.of(fileTypesLink, changedLinesLink) : List.of(fileTypesLink);
  }
@Override
  public @NotNull List<? extends DropDownLink<?>> getDropDownLinks()