/// Platform-aware browser API abstraction. /// /// On web, provides real browser localStorage and location APIs. /// On non-web platforms (Android, iOS, desktop), returns no-op stubs. /// /// Usage: /// ```dart /// import 'package:qpay/browser.dart'; /// Browser.localStorage.setItem('key', 'value'); /// Browser.localStorage.getItem('key'); /// Browser.location.href = 'https://example.com'; /// ``` export 'platform/browser_stub.dart' if (dart.library.html) 'platform/browser_web.dart';