,-------------------------------------------.                                                          
         |Fiber                                      |                                                          
         |-------------------------------------------|                                                          
         |Executor scheduler; // 调度器              |                                                          
         |FiberScope scope; // 关联的 FiberScope     |              ,-------------------.                       
         |Thread carrierThread; // 执行线程          |              |Thread             |                       
         |Continuation cont; // 关联的 Continuation  |              |-------------------|                       
         |Runnable runContinuation; // 调度执行的逻辑|              |Fiber<?> fiber;    |                       
         | short state; // Fiber 状态                |              |FiberScope scope;  |                       
         | Object result; // 执行结果                |              |Continuation cont; |                       
         | +awaitTermination();                      |              `-------------------'                       
         |+cancel();                                 |                        |                                 
         |+join();                                   |                        |                                 
         `-------------------------------------------'                        |                                 
                                                                              |                                 
                                                                              |                                 
                                            ,------------------------------------------------------------------.
,----------------------------------------.  |FiberScope                                                        |
|Continuation                            |  |------------------------------------------------------------------|
|----------------------------------------|  |Thread owner;                                                     |
|ContinuationScope scope;                |  |FiberScope parent;                                                |
|Runnable target;                        |  |{static} FiberScope open();                                       |
|{static} yield(ContinuationScope scope);|  |Fiber<V> schedule(Runnable task);                                 |
|run();                                  |  |Fiber<V> schedule(Executor scheduler, Runnable task);             |
`----------------------------------------'  |Fiber<V> schedule(Callable<? extends V> task);                    |
                     |                      |Fiber<V> schedule(Executor scheduler, Callable<? extends V> task);|
                     |                      `------------------------------------------------------------------'
                     |                                                                                          
           ,-----------------.                                                                                  
           |ContinuationScope|                                                                                  
           |-----------------|                                                                                  
           |String name;     |                                                                                  
           `-----------------'