AsyncAutoResetEvent Represents asynchronous version of .

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

 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.

 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.

 AsyncTimer Represents asynchronous timer.

 AsyncTrigger Represents asynchronous trigger which allows to resume suspended callers based on registered conditions.

 ConcurrentObjectPool`1 Provides container for the thread-unsafe objects that can be shared between threads concurrently.

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

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

 AsyncBridge Allows to turn and into task.

 AsyncEvent Represents various extension methods for types implementing interface.

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

 LinkedTokenSourceFactory Represents helper methods for working with linked cancellation tokens.

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

 Synchronizer Provides a framework for implementing asynchronous locks and related synchronization primitives that doesn't rely on first-in-first-out (FIFO) wait queues.

 IAsyncEvent Represents asynchronous event.

 IAsyncResetEvent Represents asynchronous flow synchronization event.

 ISynchronizer Common interface for all synchronization primitives.