yMapToJson method
Implementation
JsonValueItem yMapToJson({required YMap ref, YTransaction? txn}) {
final results = _yMapToJson([
ref.toWasm(),
(txn == null
? const None().toWasm()
: Option.fromValue(txn).toWasm(YTransaction.toWasm)),
]);
final result = results[0];
return JsonValueItem.fromJson(result);
}