import com.fasterxml.jackson.databind.ObjectMapper;
import de.juplo.kafka.chat.backend.api.ChatRoomTo;
import de.juplo.kafka.chat.backend.api.MessageTo;
-import de.juplo.kafka.chat.backend.api.ShardingStrategy;
+import de.juplo.kafka.chat.backend.domain.ShardingStrategy;
import de.juplo.kafka.chat.backend.domain.ChatRoom;
import de.juplo.kafka.chat.backend.domain.Message;
import de.juplo.kafka.chat.backend.persistence.StorageStrategy;