Preconditions.checkState(msg instanceof NetconfHelloMessage, "Netconf message of type %s expected, was %s",
NetconfHelloMessage.class, msg.getClass());
Optional<NetconfHelloMessageAdditionalHeader> headerOptional = ((NetconfHelloMessage) msg)
Preconditions.checkState(msg instanceof NetconfHelloMessage, "Netconf message of type %s expected, was %s",
NetconfHelloMessage.class, msg.getClass());
Optional<NetconfHelloMessageAdditionalHeader> headerOptional = ((NetconfHelloMessage) msg)