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import 'package:card_app/components/utils/debounce.dart';
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import 'package:card_app/domain/models/card.dart';
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import 'package:card_app/presentation/home_page/bloc/bloc.dart';
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import 'package:card_app/presentation/home_page/bloc/events.dart';
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import 'package:card_app/repositories/WordsRepository.dart';
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import 'package:card_app/repositories/mock_repository.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../details_page/details_page.dart';
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import 'bloc/state.dart';
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part 'card.dart';
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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final String title;
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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title: Text(widget.title),
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),
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body: Body());
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}
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}
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class Body extends StatefulWidget {
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const Body({super.key});
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@override
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_BodyState createState() => _BodyState();
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}
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class _BodyState extends State<Body> {
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final SearchController searchController = SearchController();
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final scrollController = ScrollController();
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// Future<List<CardData>?>? data;
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@override
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void initState() {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<HomeBloc>().add(const HomeLoadDataEvent());
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});
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scrollController.addListener(_onNextPageListener);
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super.initState();
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//data = WordsRepository().loadData(); // Инициализация данных
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}
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void _onNextPageListener(){
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if (scrollController.offset > scrollController.position.maxScrollExtent - 300){
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final bloc = context.read<HomeBloc>();
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if (!bloc.state.isPaginationLoading){
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bloc.add(HomeLoadDataEvent(
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search: searchController.text,
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nextPage: bloc.state.data?.nextPage,
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));
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}
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}
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}
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@override
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void dispose() {
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searchController.dispose();
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scrollController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Padding(
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padding: EdgeInsets.only(top: MediaQuery.of(context).padding.top),
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child: Column(children: [
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Padding(
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padding: const EdgeInsets.all(12),
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child: CupertinoSearchTextField(
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onChanged: (search) {
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Debounce.run(() =>
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context.read<HomeBloc>().add(HomeLoadDataEvent(search: search)));
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},
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),
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),
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BlocBuilder<HomeBloc, HomeState>(
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builder: (context, state) => state.error != null
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? Text(state.error ?? '',
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style: Theme.of(context).textTheme.headlineLarge?.copyWith(color: Colors.red))
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: state.isLoading
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? const CircularProgressIndicator()
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: Expanded(
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child: RefreshIndicator(
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onRefresh: _onRefresh,
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child: ListView.builder(
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controller: scrollController,
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padding: EdgeInsets.zero,
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itemCount: state.data?.data?.length ?? 0,
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itemBuilder: (context, index) {
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final data = state.data?.data?[index];
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return data != null
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? _Card.fromData(
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data,
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onKnow: (title, isKnown) =>
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_showSnackBar(context, title, isKnown),
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onTap: () => _navToDetails(context, data),
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)
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: const SizedBox.shrink();
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},
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),
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)
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),
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),
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BlocBuilder<HomeBloc, HomeState>(
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builder: (context, state) => state.isPaginationLoading
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? const CircularProgressIndicator()
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: const SizedBox.shrink(),)
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]));
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}
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void _navToDetails(BuildContext context, CardData data) {
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Navigator.push(
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context,
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CupertinoPageRoute(builder: (context) => DetailPage((data))),
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);
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}
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void _showSnackBar(BuildContext context, String title, bool isKnow) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(
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content: Text(
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'Now you ${isKnow ? 'know' : 'don\'t know'} word $title',
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style: Theme.of(context).textTheme.bodyLarge,
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),
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backgroundColor: Colors.indigoAccent,
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duration: const Duration(seconds: 2),
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));
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});
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}
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Future<void> _onRefresh(){
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context.read<HomeBloc>().add(HomeLoadDataEvent(search: searchController.text));
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return Future.value(null);
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}
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}
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class _CardState extends State<_Card> {
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bool isKnow = false;
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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onTap: widget.onTap,
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child: Container(
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constraints: const BoxConstraints(minHeight: 140, maxWidth: 240),
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padding: const EdgeInsets.all(20),
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margin: const EdgeInsets.all(10),
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decoration: BoxDecoration(
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color: Colors.black12,
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borderRadius: BorderRadius.circular(10),
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),
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child: LayoutBuilder(builder: (context, constraints) {
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double imageWidth = constraints.maxWidth;
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{
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return Stack(
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children: [
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Column(
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children: [
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Column(
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children: [
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Image.network(widget.image, width: 300),
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Text(
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widget.word,
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style: Theme.of(context).textTheme.headlineLarge,
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),
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Text(
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widget.translation,
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style: Theme.of(context).textTheme.bodyMedium,
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),
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],
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),
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Align(
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alignment: Alignment.bottomRight,
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child: Padding(
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padding: const EdgeInsets.only(left: 8.0),
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child: GestureDetector(
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onTap: () {
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setState(() {
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isKnow = !isKnow;
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});
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widget.onKnow?.call(widget.word, isKnow);
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},
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child: AnimatedSwitcher(
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duration: const Duration(milliseconds: 200),
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child: isKnow
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? const Icon(Icons.check_circle,
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color: Colors.green, key: ValueKey(0))
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: const Icon(Icons.check_circle_outline,
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key: ValueKey(1)),
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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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Align(
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alignment: Alignment.center,
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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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