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import 'dart:io';
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import 'dart:math';
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import 'package:auto_size_text/auto_size_text.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_acrylic/flutter_acrylic.dart';
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import 'package:url_launcher/url_launcher_string.dart';
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import 'package:window_manager/window_manager.dart';
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import 'package:zbar_scan_plugin/zbar_scan_plugin.dart' as ZBar;
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Future main() async {
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WidgetsFlutterBinding.ensureInitialized();
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await windowManager.ensureInitialized();
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WindowOptions windowOptions = const WindowOptions(
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center: true,
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skipTaskbar: true,
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fullScreen: true,
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titleBarStyle: TitleBarStyle.hidden,
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windowButtonVisibility: false,
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backgroundColor: Colors.transparent,
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alwaysOnTop: true,
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);
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windowManager.waitUntilReadyToShow(windowOptions, () async {
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await windowManager.setAsFrameless();
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await Window.initialize();
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Window.setEffect(
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effect: WindowEffect.transparent,
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color: Colors.transparent,
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);
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await windowManager.show();
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await windowManager.focus();
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});
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runApp(const MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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theme: ThemeData(
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primarySwatch: Colors.blue,
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),
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home: const MyHomePage(),
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);
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}
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}
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class MyHomePage extends StatefulWidget {
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const MyHomePage({
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super.key,
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});
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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enum Status {
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standBy,
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scan,
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found,
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notFound,
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}
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class _MyHomePageState extends State<MyHomePage> {
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Offset currentWindowPos = Offset.zero;
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Status status = Status.standBy;
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List<ZBar.CodeInfo> codes = [];
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@override
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void initState() {
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HardwareKeyboard.instance.addHandler((event) {
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if (event.logicalKey == LogicalKeyboardKey.escape) {
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exit(0);
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}
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return false;
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});
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WindowManager.instance.getPosition().then((pos) {
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currentWindowPos = pos;
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});
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WindowManager.instance.focus();
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WindowManager.instance.grabKeyboard();
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Future.delayed(const Duration(seconds: 1), () {
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setState(() {
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status = Status.scan;
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});
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compute(scan, null).then((codes) {
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setState(() {
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codes = codes;
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status = codes.isEmpty ? Status.notFound : Status.found;
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});
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});
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});
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super.initState();
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}
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static Future<List<ZBar.CodeInfo>> scan(dynamic _) async {
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var imagePath = '/tmp/${DateTime.now().toIso8601String()}.png';
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Process.runSync('scrot', [imagePath]);
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return ZBar.scan(imagePath);
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}
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@override
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Widget build(BuildContext context) {
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late Rect rect;
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if (pos != null) {
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rect = Rect.fromPoints(
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Offset(pos!.bottomLeft.x, pos!.bottomLeft.y),
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Offset(pos!.topRight.x, pos!.topRight.y),
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);
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rect = rect.translate(-currentWindowPos.dx, -currentWindowPos.dy);
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}
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return GestureDetector(
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onTap: () {
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if ([Status.found, Status.notFound].contains(status)) {
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exit(0);
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}
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},
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child: Scaffold(
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backgroundColor: status == Status.standBy
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? Colors.transparent
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: Colors.black12.withOpacity(
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status == Status.scan ? 0.4 : 0.2,
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),
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body: Stack(
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children: [
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if (status == Status.scan)
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Center(
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child: Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(24),
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color: Colors.grey.shade700.withOpacity(0.9),
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),
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child: RepaintBoundary(
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child: Image.asset(
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'assets/doubt.gif',
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width: 200,
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height: 200,
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),
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),
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),
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),
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if (status == Status.found)
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Positioned(
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left: rect.left - rect.width / 2,
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top: rect.top - rect.height / 2,
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child: Container(
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width: rect.width * 2,
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height: rect.height * 2,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(
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max(rect.width, rect.height),
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),
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color: Colors.black38.withOpacity(.6),
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),
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child: Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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const Text(
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'二维码内容：',
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style: TextStyle(
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fontSize: 28,
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color: Colors.white,
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),
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),
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AutoSizeText(
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content?.text ?? '',
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style: const TextStyle(
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fontSize: 28,
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color: Colors.white,
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),
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minFontSize: 16,
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maxFontSize: 46,
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),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: [
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FilledButton(
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onPressed: () {
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Clipboard.setData(
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ClipboardData(text: content?.text),
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);
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},
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child: const Text(
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'复制',
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style: TextStyle(fontSize: 28),
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),
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),
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FilledButton(
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onPressed: () async {
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var url = content?.text ?? '';
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if (await canLaunchUrlString(url)) {
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launchUrlString(url).then((value) {
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exit(0);
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});
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}
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},
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child: const Text(
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'打开',
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style: TextStyle(fontSize: 28),
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),
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),
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],
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),
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],
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),
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),
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),
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),
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],
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),
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),
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);
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}
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}
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