- iOS 6.0+
- macOS 10.15+Beta
- Mac Catalyst 13.0+Beta
This constant always represents the maximum available torch level, independent of the actual maximum value currently supported by the device. Thus, pass this constant to the
set in situations where you want to specify the maximum torch level without having to worry about whether the device is overheating and might not accept a value of 1.0 as the maximum.