A LazyActorRef accumulates messages sent to an actor that doesn't exist yet.
Epoch time stamp in milliseconds.
Number of nanoseconds that passed between two points in time.
Epoch time stamp in nanoseconds.
Number of nanoseconds between a arbitrary origin timestamp provided by the JVM via System.
This class implements an extremely efficient, thread-safe way to generate a incrementing sequence of Longs with a simple Long overflow protection.
Epoch time stamp.
Extension for Future[ActorRef].
For small code blocks that don't need to be run on a separate thread.