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///Options that your UITextFieldDelegate or UITextViewDelegate can
///implement to provide some return key type options to the field navigator.
protocol FormFieldNavigationReturnKeyTypeOptions {
    
    ///Whether or not the field navigator can set return type.
    var fieldNavigatorCanSetReturnKeyType:Bool { get set }
    
    ///The return key type that the field navigator should set.
    var fieldNavigatorReturnKeyType:UIReturnKeyType? { get set }
    

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class AppDelegate {
    func appDidFinishLaunching() {
        //Before the app shows root view controller, check for an override style.
        window = UIWindow()
        if let override = UserDefaults.standard.bool(forKey: "OverrideStyle") {
            //There was an override set, use that otherwise use the system appearance
            window?.overrideUserInterfaceStyle = override ? .dark : .light
        }
    }
}

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final class NSRegex {
    
    private let regex:NSRegularExpression
    private let subject:String
    private var matches:[NSTextCheckingResult] = []
    
    init(regex:NSRegularExpression, subject:String) {
        self.regex = regex
        self.subject = subject
        matches = regex.matches(in: subject, range: NSRange(location: 0, length: subject.count))

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extension URL {
    static var documentsDirectory:URL {
        let paths = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)
        let documentsDirectory = paths[0]
        let path = documentsDirectory as String
        return URL(fileURLWithPath: path, isDirectory: true)
    }
}

class ThankyouCSVDownloader {

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//
//  VisibilityTracker.swift
//  Babylist
//
//  Created by Aaron Smith on 8/16/24.
//  Copyright © 2024 Babylist. All rights reserved.
//

import Foundation