}
if ( false == curProtocol instanceof CallbackSocketProtocol ) {
throw new AssertionError("No CallbackSocketProtocol.");
}
StreamManager streamManager = ioContext.getStreamManager();
ReplacerResolver replacerResolver = ioContext.getReplacerResolver();
PushSynchronization pushSynchronization =
ioContext.getPushSynchronization();
PopSynchronization popSynchronization =
ioContext.getPopSynchronization();