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function onLifecycleUnregistered view code 

onLifecycleUnregistered(
    listener: (lifecycle: Lifecycle<Args...>, callback: (Args...) -> ()) -> ()
): () -> ()

Called when an object unregisters a lifecycle method. Listeners are expected to be infallible and non-yielding. The listener receives the callback.

Parameters

listener: (lifecycle: Lifecycle, callback: (Args...) -> ()) -> ()

Called when any lifecycle unregisters a callback.

Returns

() -> ()

A callback that when called removes the listener.