The corresponding value is an
NSNumber object representing a Boolean value that indicates whether credentials which contain the
URLCredential attribute should be removed.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
If the key is missing or the value is
@NO, then no attempt will be made to remove such a credential.