//
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// LMJTextViewController.m
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// PLMMPRJK
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//
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// Created by windshan on 2017/4/26.
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// Copyright © 2017年 GoMePrjk. All rights reserved.
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//
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#import "LMJTextViewController.h"
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#import "IQUIView+Hierarchy.h"
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#import "IQKeyboardManager.h"
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#import "IQKeyboardReturnKeyHandler.h"
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@interface LMJTextViewController ()
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/** <#digest#> */
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@property (nonatomic, strong) NSArray<UITextField *> *requiredTextFields;
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/** <#digest#> */
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@property (nonatomic, strong) IQKeyboardReturnKeyHandler *returnKeyHandler;
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@end
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@implementation LMJTextViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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}
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- (void)viewWillAppear:(BOOL)animated
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{
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[super viewWillAppear:animated];
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[self initKeyboard];
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}
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- (void)viewDidLayoutSubviews
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{
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[super viewDidLayoutSubviews];
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}
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- (void)viewWillDisappear:(BOOL)animated
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{
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[super viewWillDisappear:animated];
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[self.view endEditing:YES];
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}
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- (void)viewDidDisappear:(BOOL)animated {
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[super viewDidDisappear:animated];
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if (_returnKeyHandler) {
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[_returnKeyHandler setDelegate:nil];
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_returnKeyHandler = nil;
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}
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}
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#pragma mark - UITextViewDelegate, UITextFieldDelegate
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#pragma mark - 处理 returnKey
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- (BOOL)textFieldShouldReturn:(UITextField *)textField
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{
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if (![IQKeyboardManager sharedManager].canGoNext) {
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[self textViewController:self inputViewDone:textField];
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}
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return YES;
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}
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- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
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if (![IQKeyboardManager sharedManager].canGoNext && [text isEqualToString:@"\n"]) {
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[self textViewController:self inputViewDone:textView];
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}
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return YES;
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}
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#pragma mark - LMJTextViewControllerDelegate
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- (void)textViewController:(LMJTextViewController *)textViewController inputViewDone:(id)inputView
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{
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NSLog(@"%@, %@", self.requiredTextFields, inputView);
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}
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#pragma mark - autoEmpty
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- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
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{
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// 九宫格 bug fix
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if ([@"➋➌➍➎➏➐➑➒" rangeOfString:string].location != NSNotFound) {
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return YES;
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}
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NSString *current = [textField.text stringByReplacingCharactersInRange:range withString:string.stringByTrim].stringByTrim;
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if (textField.isEmptyAutoEnable && (TWIsEmpty(textField.text.stringByTrim) || TWIsEmpty(current))) {
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if (TWIsEmpty(current)) {
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[self checkIsEmpty:YES textField:textField];
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}else
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{
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[self checkIsEmpty:NO textField:textField];
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}
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}
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return YES;
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}
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- (BOOL)textFieldShouldClear:(UITextField *)textField
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{
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if (textField.isEmptyAutoEnable) {
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[self checkIsEmpty:YES textField:textField];
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}
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return YES;
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}
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#pragma mark - 设置 btn的 enable
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- (void)checkIsEmpty:(BOOL)isEmpty textField:(UITextField *)textField
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{
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if (TWIsEmpty(self.requiredTextFields)) {
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return;
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}
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if ([self respondsToSelector:@selector(textViewControllerRelationButtons:)]) {
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if (TWIsEmpty([self textViewControllerRelationButtons:self])) {
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return;
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}
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}else
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{
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return;
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}
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__block BOOL isButtonEnabled = !isEmpty;
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if (!isEmpty) {
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[self.requiredTextFields enumerateObjectsUsingBlock:^(UITextField *obj, NSUInteger idx, BOOL * _Nonnull stop) {
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if (obj != textField && TWIsEmpty(obj.text.stringByTrim)) {
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isButtonEnabled = NO;
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*stop = YES;
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}
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}];
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}
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[[self textViewControllerRelationButtons:self] enumerateObjectsUsingBlock:^(UIButton * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
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obj.enabled = isButtonEnabled;
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}];
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}
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#pragma mark - 初始化
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- (void)initKeyboard
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{
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// 键盘
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IQKeyboardManager *manager = [IQKeyboardManager sharedManager];
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manager.enable = YES;
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manager.shouldResignOnTouchOutside = YES;
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manager.shouldToolbarUsesTextFieldTintColor = YES;
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manager.enableAutoToolbar = [self textViewControllerEnableAutoToolbar:self];
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manager.shouldPlayInputClicks = YES;
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manager.shouldShowToolbarPlaceholder = YES;
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[self requiredTextFields];
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[self initReturnKeyHandler];;
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}
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#pragma mark - LMJTextViewControllerDataSource
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- (BOOL)textViewControllerEnableAutoToolbar:(LMJTextViewController *)textViewController
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{
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return YES;
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}
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- (UIReturnKeyType)textViewControllerLastReturnKeyType:(LMJTextViewController *)textViewController
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{
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return UIReturnKeyDone;
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}
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- (NSArray<UITextField *> *)requiredTextFields
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{
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if(_requiredTextFields == nil)
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{
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NSArray *responsedInputViews = [self.view deepResponderViews];
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NSMutableArray<UITextField *> *array = [NSMutableArray array];
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[responsedInputViews enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
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if ([obj isKindOfClass:[UITextField class]]) {
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UITextField *field = (UITextField *)obj;
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field.delegate = self;
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if (field.isEmptyAutoEnable) {
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[array addObject:field];
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}
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}
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if ([obj isKindOfClass:[UITextView class]]) {
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UITextView *textView = (UITextView *)obj;
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textView.delegate = self;
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}
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}];
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_requiredTextFields = array;
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}
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return _requiredTextFields;
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}
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- (void)initReturnKeyHandler {
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if(_returnKeyHandler == nil) {
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_returnKeyHandler = [[IQKeyboardReturnKeyHandler alloc] initWithViewController:self];
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_returnKeyHandler.delegate = self;
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_returnKeyHandler.lastTextFieldReturnKeyType = [self textViewControllerLastReturnKeyType:self];
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}
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}
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- (void)dealloc
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{
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_returnKeyHandler = nil;
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}
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@end
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#pragma mark - LMJTextViewControllerTextField
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static void *isEmptyAutoEnableKey = &isEmptyAutoEnableKey;
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@implementation UITextField (LMJTextViewController)
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- (void)setIsEmptyAutoEnable:(BOOL)isEmptyAutoEnable
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{
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[self setAssociateValue:@(isEmptyAutoEnable) withKey:isEmptyAutoEnableKey];
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}
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- (BOOL)isEmptyAutoEnable
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{
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return [(NSNumber *)[self getAssociatedValueForKey:isEmptyAutoEnableKey] boolValue];
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}
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@end
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@implementation LMJTextViewControllerTextField
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- (NSString *)text {
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return ([[super text] stringByTrim]);
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}
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@end
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