printQR method Null safety

Future<int> printQR(
  1. {dynamic x,
  2. dynamic y,
  3. dynamic m,
  4. dynamic u,
  5. dynamic data}
)

Implementation

static Future<int> printQR({x, y, m, u, data}) async {
  final int p = await _channel.invokeMethod('printQR', {
    'x': x,
    'y': y,
    'm': m,
    'u': u,
    'data': data,
  });
  return p;
}