Called if the discardable contents are no longer being accessed.
UIKit for Mac 13.0+Beta
This method decrements the counter variable of the object, which will usually bring the value of the counter variable back down to 0, which allows the discardable contents of the object to be thrown away if necessary.
Returns a Boolean value indicating whether the discardable contents are still available and have been successfully accessed.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.