Ready to test

Models/AppSettings.cs

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+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace File_Folder_Helper.Models;
+
+public class AppSettings
+{
+
+    protected string _Company;
+    protected string _WorkingDirectoryName;
+    public string Company => _Company;
+    public string WorkingDirectoryName => _WorkingDirectoryName;
+
+    // public AppSettings()
+    // {
+
+    // }
+
+    [JsonConstructor]
+    public AppSettings(string company, string workingDirectoryName)
+    {
+        _Company = company;
+        _WorkingDirectoryName = workingDirectoryName;
+    }
+
+    public override string ToString()
+    {
+        string result = JsonSerializer.Serialize(this, new JsonSerializerOptions() { WriteIndented = true });
+        return result;
+    }
+
+}

Models/Binder/AppSettings.cs

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+using System.ComponentModel.DataAnnotations;
+using System.Text.Json;
+
+namespace File_Folder_Helper.Models.Binder;
+
+public class AppSettings
+{
+
+    [Display(Name = "Company"), Required] public string Company { get; set; }
+    [Display(Name = "Working Directory Name"), Required] public string WorkingDirectoryName { get; set; }
+
+    public AppSettings()
+    {
+        Company = string.Empty;
+        WorkingDirectoryName = string.Empty;
+    }
+
+    public override string ToString()
+    {
+        string result = JsonSerializer.Serialize(this, new JsonSerializerOptions() { WriteIndented = true });
+        return result;
+    }
+
+}

Models/Stateless/AppSettings.cs

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+using Microsoft.Extensions.Configuration;
+using System.Text.Json;
+
+namespace File_Folder_Helper.Models.Stateless;
+
+public abstract class AppSettings
+{
+
+    public static Models.AppSettings Get(IConfigurationRoot configurationRoot)
+    {
+        Models.AppSettings? result;
+        Binder.AppSettings appSettings = configurationRoot.Get<Binder.AppSettings>();
+        string json = JsonSerializer.Serialize(appSettings, new JsonSerializerOptions() { WriteIndented = true });
+        result = JsonSerializer.Deserialize<Models.AppSettings>(json);
+        if (result is null)
+            throw new Exception(json);
+        if (string.IsNullOrEmpty(result.Company))
+            throw new Exception(json);
+        string jsonThis = result.ToString();
+        if (jsonThis != json)
+            throw new Exception(json);
+        return result;
+    }
+
+}