The task is currently being serviced by the session.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
A task in this state is subject to the request and resource timeouts specified in the session configuration object.
The task has completed (without being canceled), and the task's delegate receives no further callbacks.
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