Layout constructor
Implementation
factory Layout({
$core.double? x,
$core.double? y,
$core.double? width,
$core.double? height,
}) {
final result = create();
if (x != null) result.x = x;
if (y != null) result.y = y;
if (width != null) result.width = width;
if (height != null) result.height = height;
return result;
}