Returns a property list that represents an encoded version of the value you supply.
- iOS 7.0+
- macOS 10.9+
- UIKit for Mac 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
- Xcode 9.0+
The value to encode as a property list.
If there's a problem encoding the value you supply, this method throws an error based on the type of problem:
The value fails to encode, or contains a nested value that fails to encode—this method throws the corresponding error.
The value can't be encoded as a property list—this method throws the
Error .invalid Value(_: _:)