@Nullable
    @Contract(value = "null -> null; !null -> !null", pure = true)
    public static ForkJoinWorkerThreadFactory unwrap(@Nullable ForkJoinWorkerThreadFactory threadFactory) {
        if (!isDisableInheritableForkJoinWorkerThreadFactory(threadFactory)) return threadFactory;

        return ((DisableInheritableForkJoinWorkerThreadFactory) threadFactory).unwrap();
    }
Unwrap {@link DisableInheritableForkJoinWorkerThreadFactory} to the original/underneath one.

@see com.alibaba.ttl.TtlUnwrap#unwrap(Object)
@see DisableInheritableForkJoinWorkerThreadFactory
@see TtlExecutors#unwrap(ThreadFactory)
@since 2.10.1
ttl2-compatible/src/main/java/com/alibaba/ttl/threadpool/TtlForkJoinPoolHelper.java