476      * Starts a thread in the given ThreadContainer.
477      */
478     void start(Thread thread, ThreadContainer container);
479 
480     /**
481      * Returns the top of the given thread's stackable scope stack.
482      */
483     StackableScope headStackableScope(Thread thread);
484 
485     /**
486      * Sets the top of the current thread's stackable scope stack.
487      */
488     void setHeadStackableScope(StackableScope scope);
489 
490     /**
491      * Returns the Thread object for the current platform thread. If the
492      * current thread is a virtual thread then this method returns the carrier.
493      */
494     Thread currentCarrierThread();
495 
496     /**
497      * Executes the given value returning task on the current carrier thread.
498      */
499     <V> V executeOnCarrierThread(Callable<V> task) throws Exception;
500 
501     /**
502      * Returns the value of the current carrier thread's copy of a thread-local.
503      */
504     <T> T getCarrierThreadLocal(CarrierThreadLocal<T> local);
505 
506     /**
507      * Sets the value of the current carrier thread's copy of a thread-local.
508      */
509     <T> void setCarrierThreadLocal(CarrierThreadLocal<T> local, T value);
510 
511     /**
512      * Removes the value of the current carrier thread's copy of a thread-local.
513      */
514     void removeCarrierThreadLocal(CarrierThreadLocal<?> local);
515 
516     /**
517      * Returns {@code true} if there is a value in the current carrier thread's copy of
518      * thread-local, even if that values is {@code null}.
519      */
520     boolean isCarrierThreadLocalPresent(CarrierThreadLocal<?> local);

476      * Starts a thread in the given ThreadContainer.
477      */
478     void start(Thread thread, ThreadContainer container);
479 
480     /**
481      * Returns the top of the given thread's stackable scope stack.
482      */
483     StackableScope headStackableScope(Thread thread);
484 
485     /**
486      * Sets the top of the current thread's stackable scope stack.
487      */
488     void setHeadStackableScope(StackableScope scope);
489 
490     /**
491      * Returns the Thread object for the current platform thread. If the
492      * current thread is a virtual thread then this method returns the carrier.
493      */
494     Thread currentCarrierThread();
495 





496     /**
497      * Returns the value of the current carrier thread's copy of a thread-local.
498      */
499     <T> T getCarrierThreadLocal(CarrierThreadLocal<T> local);
500 
501     /**
502      * Sets the value of the current carrier thread's copy of a thread-local.
503      */
504     <T> void setCarrierThreadLocal(CarrierThreadLocal<T> local, T value);
505 
506     /**
507      * Removes the value of the current carrier thread's copy of a thread-local.
508      */
509     void removeCarrierThreadLocal(CarrierThreadLocal<?> local);
510 
511     /**
512      * Returns {@code true} if there is a value in the current carrier thread's copy of
513      * thread-local, even if that values is {@code null}.
514      */
515     boolean isCarrierThreadLocalPresent(CarrierThreadLocal<?> local);