هل يمكنك شرح الكلاس التالي  using MrSales.MrSLanguages;
using Newtonsoft.Json;
using RestSharp;
using System;
using System.Collections.Generic;


internal class Class77
{
  public static string string_0 = "https://messagesapi.co.in/chat/";
  public static string string_1 = "";
  public static List<Class77.Class78> list_0 = new List<Class77.Class78>();

  public static List<Class77.Class78> smethod_0(string string_2)
  {
    List<Class77.Class78> class78List = (List<Class77.Class78>) null;
    Class77.list_0.Clear();
    try
    {
      class78List = JsonConvert.DeserializeObject<List<Class77.Class78>>(string_2);
      int num = 1;
      foreach (Class77.Class78 class78_1 in class78List)
      {
        class78_1.ID = num;
        Class77.Class78 class78_2 = class78_1;
        DateTime dateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0);
        dateTime = dateTime.AddSeconds((double) Convert.ToInt32(class78_1.TIMESTAMP));
        DateTime localTime = dateTime.ToLocalTime();
        class78_2.Datetime = localTime;
        class78_1.STATUS_String = class78_1.STATUS == 1 ? strings.PROCESSED : strings.pending;
        ++num;
      }
    }
    catch
    {
    }
    return class78List;
  }

  private static string smethod_1(
    object object_0,
    object object_1,
    object object_2,
    object object_3,
    object object_4,
    object object_5)
  {
    RestClient restClient = new RestClient(Class77.string_0 + "sendMessage?id=" + (string) object_0 + "&phone=" + (string) object_4 + "&message=" + (string) object_2 ?? "");
    restClient.Timeout = -1;
    RestRequest request = new RestRequest(Method.GET);
    request.AddHeader("Content-Type", "application/json");
    return restClient.Execute((IRestRequest) request).Content;
  }

  private static string smethod_2(object object_0, object object_1)
  {
    RestClient restClient = new RestClient(Class77.string_0 + "getDeliveryReport.php?LoginId=" + (string) object_0 + "&password=" + (string) object_1 ?? "");
    restClient.Timeout = -1;
    RestRequest request = new RestRequest(Method.POST);
    request.AddHeader("Content-Type", "application/json");
    return restClient.Execute((IRestRequest) request).Content;
  }

  public static string smethod_3(
    object object_0,
    object object_1,
    object object_2,
    object object_3,
    object object_4,
    object object_5)
  {
    return Class77.smethod_5(Class77.smethod_1(object_0, object_1, object_2, object_3, object_4, object_5));
  }

  public static List<Class77.Class78> smethod_4(object object_0, object object_1)
  {
    return Class77.smethod_0(Class77.smethod_2(object_0, object_1));
  }

  private static string smethod_5(string string_2)
  {
    string_2 = string_2.Contains("success") ? "success" : string_2;
    string s = string_2;
    // ISSUE: reference to a compiler-generated method
    uint stringHash = \u003CPrivateImplementationDetails\u003E.ComputeStringHash(s);
    string str;
    if (stringHash <= 1851002291U)
    {
      if (stringHash > 626718219U)
      {
        if (stringHash > 710606314U)
        {
          switch (stringHash)
          {
            case 727383933:
              if (s == "1902")
              {
                str = strings.INVALID_URL_THIS_MEANS_THAT_ONE_OF_THE_PARAMETERS_WAS_NOT_PROVIDED;
                goto label_52;
              }
              else
                break;
            case 979353360:
              if (s == "success")
              {
                str = strings.SUCCESS_MESSAGE_SUBMITTED_SUCCESSFULLY;
                goto label_52;
              }
              else
                break;
            case 1851002291:
              if (s == "6000")
              {
                str = "[code: 6000 ]- " + strings.SUCCESS_MESSAGE_SUBMITTED_SUCCESSFULLY;
                goto label_52;
              }
              else
                break;
          }
        }
        else
        {
          switch (stringHash)
          {
            case 643495838:
              if (s == "1907")
              {
                str = strings.SERVER_UNDER_UPDATING;
                goto label_52;
              }
              else
                break;
            case 710606314:
              if (s == "1903")
              {
                str = strings.INVALID_VALUE_IN_USERNAME_OR_PASSWORD_FIELD;
                goto label_52;
              }
              else
                break;
          }
        }
      }
      else if (stringHash > 542830124U)
      {
        switch (stringHash)
        {
          case 559607743:
            if (s == "1908")
            {
              str = strings.INVALID_DATE_TIME_FORMAT_IN_DELAYUNTIL_PARAMETER;
              goto label_52;
            }
            else
              break;
          case 626718219:
            if (s == "1904")
            {
              str = strings.INVALID_VALUE_IN_SENDER_FIELD;
              goto label_52;
            }
            else
              break;
        }
      }
      else
      {
        switch (stringHash)
        {
          case 42784521:
            if (s == "9999")
            {
              str = strings.PLEASE_WAIT_FOR_A_WHILE__THIS_MEANS_YOU_SENT_ALOT_OF_API_REQUEST_AT_THE_SAME_TIME;
              goto label_52;
            }
            else
              break;
          case 542830124:
            if (s == "1909")
            {
              str = strings.ERROR_IN_MESSAGE;
              goto label_52;
            }
            else
              break;
        }
      }
    }
    else if (stringHash > 3433870225U)
    {
      switch (stringHash)
      {
        case 3450647844:
          if (s == "8003")
          {
            str = strings.LANGUAGE_IS_NULL;
            goto label_52;
          }
          else
            break;
        case 3467425463:
          if (s == "8002")
          {
            str = strings.MESSAGE_IS_NULL;
            goto label_52;
          }
          else
            break;
        case 3484203082:
          if (s == "8001")
          {
            str = strings.MOBILE_IS_NULL;
            goto label_52;
          }
          else
            break;
        case 3566762728:
          if (s == "smsover")
          {
            str = strings.INSUFFICIENT_CREDIT_SELECTED;
            goto label_52;
          }
          else
            break;
        case 4086144241:
          if (s == "Error")
          {
            str = "[code: Error ]- " + strings.INVALID_URL_THIS_MEANS_THAT_ONE_OF_THE_PARAMETERS_WAS_NOT_PROVIDED;
            goto label_52;
          }
          else
            break;
      }
    }
    else if (stringHash > 3394593815U)
    {
      switch (stringHash)
      {
        case 3400314987:
          if (s == "8006")
          {
            str = strings.PASSWORD_IS_NULL;
            goto label_52;
          }
          else
            break;
        case 3417092606:
          if (s == "8005")
          {
            str = strings.USERNAME_IS_NULL;
            goto label_52;
          }
          else
            break;
        case 3433870225:
          if (s == "8004")
          {
            str = strings.SENDER_IS_NULL;
            goto label_52;
          }
          else
            break;
      }
    }
    else
    {
      switch (stringHash)
      {
        case 2869461542:
          if (s == "message parameter is incorrect")
          {
            str = strings.INVALID_URL_THIS_MEANS_THAT_ONE_OF_THE_PARAMETERS_WAS_NOT_PROVIDED;
            goto label_52;
          }
          else
            break;
        case 3394593815:
          if (s == "invalidmobilenumber")
          {
            str = strings.INVALID_VALUE_IN_MOBILE_FIELD;
            goto label_52;
          }
          else
            break;
      }
    }
    str = string_2.ToString();
label_52:
    return str;
  }

  public class Class78
  {
    public int ID { get; set; }

    public string NUMBER { get; set; }

    public string TEMPLATE { get; set; }

    public string ATTACHMENT { get; set; }

    public string IP_ADDRESS { get; set; }

    public int STATUS { get; set; }

    public DateTime Datetime { get; set; }

    public string TIMESTAMP { get; set; }

    public string STATUS_String { get; set; }
  }

  public class Class79
  {
    public string username { get; set; }

    public string password { get; set; }

    public string msg { get; set; }

    public string sender { get; set; }

    public string numbers { get; set; }
  }
}