-import com.google.common.eventbus.*
-import com.google.inject.*
-import net.pterodactylus.util.service.*
-import java.util.concurrent.TimeUnit.*
-import java.util.logging.*
-import java.util.logging.Logger.*
+import com.google.common.eventbus.EventBus
+import com.google.common.eventbus.Subscribe
+import com.google.inject.Inject
+import com.google.inject.Singleton
+import net.pterodactylus.sone.core.event.StrictFilteringActivatedEvent
+import net.pterodactylus.sone.core.event.StrictFilteringDeactivatedEvent
+import net.pterodactylus.util.service.AbstractService
+import java.util.concurrent.TimeUnit.SECONDS
+import java.util.concurrent.atomic.AtomicBoolean
+import java.util.logging.Level
+import java.util.logging.Logger
+import java.util.logging.Logger.getLogger