# Async Components This guide covers the async and concurrent programming features. ## Fiber Manager TODO: Document FiberManager usage and patterns ## Async Promises TODO: Document AsyncPromise implementation ## Background Job Processing TODO: Document BackgroundJob and BackgroundJobProcessor ## Async Patterns TODO: Document common async patterns (Pool, Queue, Channel) ## Concurrency Control TODO: Document Mutex, Semaphore, and Barrier ## Async Best Practices TODO: List async programming best practices