@CalledInAny
  @Nullable
  NamedScopeFilter getFilter(@Nullable String subId) {
    Map<String, NamedScopeFilter> map = myFilters.get();
    return map == null || subId == null ? null : map.get(subId);
  }
@CalledInAny
  @Nullable
  NamedScopeFilter getFilter(@Nullable String subId)