AtomicBoolean Represents atomic boolean.

 AtomicReference`1 Provides container with atomic operations for the reference type.

 Lock Unified representation of monitor lock, semaphore lock, read lock, write lock or upgradeable read lock.

 Timeout Helps to compute timeout for asynchronous operations.

 AsyncDelegate Provides set of methods for asynchronous invocation of various delegates.

 AtomicDouble Various atomic operations for data type accessible as extension methods.

 AtomicInt32 Various atomic operations for data type accessible as extension methods.

 AtomicInt64 Various atomic operations for data type accessible as extension methods.

 AtomicReference Provides atomic operations for the reference type.

 AtomicSingle Various atomic operations for data type accessible as extension methods.

 LockAcquisition Provides a set of methods to acquire different types of lock.