serialize method
Serializes the given value to a DogNativeCodec native value.
Implementation
@override
serialize(SingleActivator value, DogEngine engine) => {
"k": engine.toNative<LogicalKeyboardKey>(value.trigger),
"c": value.control,
"s": value.shift,
"a": value.alt,
"m": value.meta,
"r": value.includeRepeats,
"n": value.numLock.index,
};