Initial Flutter scaffold: Riverpod + GoRouter + Dio
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215
lib/features/emails/presentation/emails_screen.dart
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215
lib/features/emails/presentation/emails_screen.dart
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import 'package:intl/intl.dart';
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import '../../../shared/services/api_client.dart';
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final emailsProvider = FutureProvider.autoDispose<List<Map<String, dynamic>>>((ref) async {
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final apiClient = ref.watch(apiClientProvider);
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return apiClient.getEmails();
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});
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class EmailsScreen extends ConsumerWidget {
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const EmailsScreen({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final emailsAsync = ref.watch(emailsProvider);
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return Scaffold(
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appBar: AppBar(
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title: const Text('Emails'),
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),
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body: emailsAsync.when(
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data: (emails) {
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if (emails.isEmpty) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.email_outlined,
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size: 64,
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color: Colors.grey.shade400,
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),
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const SizedBox(height: 16),
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Text(
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'No emails yet',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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color: Colors.grey,
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),
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),
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const SizedBox(height: 8),
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Text(
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'Generate an email from a client profile',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Colors.grey,
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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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final drafts = emails.where((e) => e['status'] == 'draft').toList();
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final sent = emails.where((e) => e['status'] == 'sent').toList();
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return DefaultTabController(
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length: 2,
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child: Column(
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children: [
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const TabBar(
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tabs: [
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Tab(text: 'Drafts'),
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Tab(text: 'Sent'),
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],
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),
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Expanded(
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child: TabBarView(
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children: [
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_EmailList(emails: drafts, isDraft: true, ref: ref),
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_EmailList(emails: sent, isDraft: false, ref: ref),
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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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loading: () => const Center(child: CircularProgressIndicator()),
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error: (e, s) => Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.error_outline, size: 64, color: Colors.red.shade300),
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const SizedBox(height: 16),
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const Text('Failed to load emails'),
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TextButton(
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onPressed: () => ref.invalidate(emailsProvider),
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child: const Text('Retry'),
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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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class _EmailList extends StatelessWidget {
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final List<Map<String, dynamic>> emails;
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final bool isDraft;
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final WidgetRef ref;
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const _EmailList({
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required this.emails,
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required this.isDraft,
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required this.ref,
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});
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@override
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Widget build(BuildContext context) {
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if (emails.isEmpty) {
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return Center(
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child: Text(
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isDraft ? 'No drafts' : 'No sent emails',
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style: TextStyle(color: Colors.grey.shade600),
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),
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);
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}
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return ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: emails.length,
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itemBuilder: (context, index) {
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final email = emails[index];
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final dateFormat = DateFormat.yMMMd().add_jm();
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final date = email['sentAt'] ?? email['createdAt'];
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return Card(
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margin: const EdgeInsets.only(bottom: 12),
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child: ListTile(
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title: Text(
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email['subject'] ?? 'No subject',
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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subtitle: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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email['content']?.toString().substring(0,
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email['content'].toString().length > 100 ? 100 : email['content'].toString().length) ?? '',
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(color: Colors.grey.shade600),
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),
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const SizedBox(height: 4),
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Text(
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date != null ? dateFormat.format(DateTime.parse(date)) : '',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Colors.grey,
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),
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),
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],
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),
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trailing: isDraft
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? Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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IconButton(
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icon: const Icon(Icons.send),
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onPressed: () async {
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try {
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await ref.read(apiClientProvider).sendEmail(email['id']);
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ref.invalidate(emailsProvider);
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} catch (e) {
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if (context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Failed to send: $e')),
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);
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}
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}
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},
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),
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IconButton(
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icon: const Icon(Icons.delete_outline),
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onPressed: () async {
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final confirm = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text('Delete Draft'),
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content: const Text('Are you sure?'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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child: const Text('Cancel'),
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),
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TextButton(
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onPressed: () => Navigator.pop(ctx, true),
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child: const Text('Delete'),
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),
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],
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),
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);
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if (confirm == true) {
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await ref.read(apiClientProvider).deleteEmail(email['id']);
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ref.invalidate(emailsProvider);
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}
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},
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),
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],
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)
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: email['aiGenerated'] == true
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? const Chip(
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label: Text('AI'),
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visualDensity: VisualDensity.compact,
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)
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: null,
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isThreeLine: true,
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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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