import static ro.ieval.fonbot.Utils.toNonNull;
import java.util.Collections;
-import java.util.HashSet;
+import java.util.EnumSet;
import java.util.Set;
import org.eclipse.jdt.annotation.Nullable;
/**
* Set of ongoing events.
*/
- private final Set<OngoingEvent> ongoing=new HashSet<OngoingEvent>(10);
+ private final Set<OngoingEvent> ongoing=EnumSet.noneOf(OngoingEvent.class);
/**
* Get the set of ongoing events.