| Class | Description |
|---|---|
| AsyncSupport | Internal runtime support for the async/await/defer language features. |
| DefaultAsyncChannel | Default lock-based implementation of AsyncChannel. |
| DefaultAsyncScope | Default implementation of AsyncScope providing structured concurrency with configurable failure policy. |
| FlowPublisherAdapter | Adapter for Publisher, the JDK's built-in Reactive Streams type. |
| GeneratorBridge | A producer/consumer bridge for async generators (yield return). |
| GroovyPromise | Default Awaitable implementation backed by a CompletableFuture. |