ContinuationContinuationScope scope;Runnable target;yield(ContinuationScope scope);run();ContinuationScopeString name;FiberVExecutor scheduler; // 调度器FiberScope scope; // 关联的 FiberScopeThread carrierThread; // 执行线程Continuation cont; // 关联的 ContinuationRunnable runContinuation; // 调度执行的逻辑short state; // Fiber 状态Object result; // 执行结果awaitTermination();cancel();join();FiberScopeThread owner;FiberScope parent;FiberScope open();Fiber<V> schedule(Runnable task);Fiber<V> schedule(Executor scheduler, Runnable task);Fiber<V> schedule(Callable<? extends V> task);Fiber<V> schedule(Executor scheduler, Callable<? extends V> task);ThreadFiber<?> fiber;FiberScope scope;Continuation cont;