import de.juplo.kafka.chat.backend.domain.ChatRoomInfo;
import de.juplo.kafka.chat.backend.domain.Message;
import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
-import de.juplo.kafka.chat.backend.persistence.inmemory.ShardingStrategy;
+import de.juplo.kafka.chat.backend.persistence.ShardingStrategy;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import reactor.core.publisher.Flux;