1. dynamicoptions_OR_x,
2. num?y

Implementation

void scroll([options_OR_x, num? y]) {  if (options_OR_x == null && y == null) {    _scroll_1();    return;  }  if ((options_OR_x is Map) && y == null) {    var options_1 = convertDartToNative_Dictionary(options_OR_x);    _scroll_2(options_1);    return;  }  if (y != null && (options_OR_x is num)) {    _scroll_3(options_OR_x, y);    return;  }  throw new ArgumentError("Incorrect number or type of arguments");}