Sets the receiver's delegate and a dispatch queue on which the delegate is called.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
An object conforming to the
Item Legible Output Push Delegate
A dispatch queue on which all delegate methods will be called.
Because the delegate is held using a zeroing-weak reference, it is safe to deallocate the delegate while the receiver still has a reference to it.