fromMap static method
override
    Construct from Map.
Implementation
static Point? fromMap(Map<String, dynamic>? _map) {
  if (_map == null) return null;
  var _ = _map["@type"];
  if (_ != CONSTRUCTOR) return null;
  var extra = _map['@extra'];
  var clientId = _map['@clientId'];
  var x = _map['x']! as double;
  var y = _map['y']! as double;
  return Point(
    extra: extra,
    clientId: clientId,
    x: x,
    y: y,
  );
}