Константа UPGRADE_REQUIRED
@Deprecated("Используйте upgradeRequired вместо этого")
Реализация
@Deprecated("Use upgradeRequired instead")
static const int UPGRADE_REQUIRED = upgradeRequired;
© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-html/HttpStatus/UPGRADE_REQUIRED-constant.html
