jboner/akka — comment on commit 57de4c969c59f7b726e08fe260a0596385399cb5
File: akka-testkit/src/main/scala/akka/testkit/TestKitExtension.scala line 20
By viktorklang:

What is the contract, same as getAndSet, or is it putIfAbsent, or is it throwOnPreexists?