private static EventGroupsFilterRules<EventLogBuild> notNull(@Nullable EventGroupsFilterRules<EventLogBuild> groupFilterConditions,
                                                               @NotNull EventGroupsFilterRules<EventLogBuild> defaultValue) {
    return groupFilterConditions != null ? groupFilterConditions : defaultValue;
  }
private static EventGroupsFilterRules<EventLogBuild> notNull(@Nullable EventGroupsFilterRules<EventLogBuild> groupFilterConditions,
                                                               @NotNull EventGroupsFilterRules<EventLogBuild> defaultValue)