AsyncAutoResetEvent Represents asynchronous version of .

 AsyncBarrier Enables multiple tasks to cooperatively work on an algorithm in parallel through multiple phases.

 AsyncCorrelationSource`2 Represents pub/sub synchronization primitive when each event has unique identifier.

 AsyncCountdownEvent Represents a synchronization primitive that is signaled when its count reaches zero.

 AsyncCounter Represents a synchronization primitive that is signaled when its count becomes non zero.

 AsyncEventHub Represents a collection of asynchronous events.

 AsyncExchanger`1 Represents a synchronization point at which two async flows can cooperate and swap elements within pairs.

 AsyncExclusiveLock Represents asynchronous mutually exclusive lock.

 AsyncLazy`1 Provides support for asynchronous lazy initialization.

 AsyncManualResetEvent Represents asynchronous version of .

 AsyncReaderWriterLock Represents asynchronous version of .

 AsyncSharedLock Represents a lock that can be acquired in exclusive or weak mode.

 AsyncTrigger Represents asynchronous trigger that allows to resume and suspend concurrent flows.

 AsyncTrigger`1 Represents asynchronous trigger that allows to resume and suspend concurrent flows.

 ExchangeTerminatedException Indicates that the exchange has been terminated by the one of participants.

 QueuedSynchronizer Provides a framework for implementing asynchronous locks and related synchronization primitives that rely on first-in-first-out (FIFO) wait queues.

 AsyncLock Unified representation of asynchronous exclusive lock, semaphore lock, read lock, write lock or upgradeable read lock.

 AsyncBridge Allows to turn and into task.

 AsyncLockAcquisition Provides a set of methods to acquire different types of asynchronous lock.

 LinkedTokenSourceFactory Represents helper methods for working with linked cancellation tokens.

 IAsyncEvent Represents asynchronous event.

 IAsyncResetEvent Represents asynchronous flow synchronization event.