@NonNull
    public static String renamedMethodNameByTtl(@NonNull CtMethod method) {
        return "original$" + method.getName() + "$method$renamed$by$ttl";
    }
Output string like {@code public ScheduledFuture scheduleAtFixedRate(Runnable, long, long, TimeUnit)}
for {@link  java.util.concurrent.ScheduledThreadPoolExecutor#scheduleAtFixedRate}.

@param method method object
@return method signature string
ttl-agent/src/main/java/com/alibaba/ttl3/agent/transformlet/helper/TtlTransformletHelper.java