public PublisherTimeoutSelectorOther(ISubscriber <T> actual, PublisherTimeoutSelector <T, U, V> parent)
 {
     this.actual = actual;
     this.parent = parent;
 }
 public PublisherTimeoutSelectorTimeout(PublisherTimeoutSelector <T, U, V> parent, long index)
 {
     this.parent = parent;
     this.index  = index;
 }