import com.fasterxml.jackson.databind.ObjectMapper;
import de.juplo.kafka.chat.backend.ChatBackendProperties;
-import de.juplo.kafka.chat.backend.domain.ShardingStrategy;
+import de.juplo.kafka.chat.backend.persistence.inmemory.ShardingStrategy;
import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
import de.juplo.kafka.chat.backend.persistence.inmemory.InMemoryChatRoomService;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;