@Nullable @Override public Void apply(Notification notification) { notificationCallback(notification); return null; } });
@Nullable @Override public Void apply(Notification notification) { notificationCallback(notification); return null; } });
@Nullable @Override public Void apply(Notification notification) { notificationCallback(notification); return null; } });
@Nullable @Override public Void apply(Notification notification) { notificationCallback(notification); return null; } });