package com.codecademy.eventhub.storage; import com.codecademy.eventhub.model.Event; import com.codecademy.eventhub.storage.visitor.Visitor; import java.io.Closeable; public interface EventStorage extends Closeable { long addEvent(Event event, int userId, int eventTypeId); Event getEvent(long eventId); int getUserId(long eventId); int getEventTypeId(long eventId); Visitor getFilterVisitor(long eventId); String getVarz(int indentation); }