messaging/messaging-transport-spi/src/main/java/dev/caskeleton/messaging/transport/DefaultMessagingRuntimeRegistry.java:10:import java.util.concurrent.ConcurrentHashMap;
messaging/messaging-transport-spi/src/main/java/dev/caskeleton/messaging/transport/DefaultMessagingRuntimeRegistry.java:30:  private final Map<String, Generation> current = new ConcurrentHashMap<>();